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145070000 = 245489163
BaseRepresentation
bin10001010010110…
…01011110110000
3101002222022121222
420221121132300
5244114220000
622221204212
73411034415
oct1051313660
9332868558
10145070000
1174985269
1240700668
1324093c4a
14153a410c
15cb08a85
hex8a597b0

145070000 has 100 divisors (see below), whose sum is σ = 357354360. Its totient is φ = 57024000.

The previous prime is 145069979. The next prime is 145070021. The reversal of 145070000 is 70541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145069979) and next prime (145070021).

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 889919 + ... + 890081.

Almost surely, 2145070000 is an apocalyptic number.

145070000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145070000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178677180).

145070000 is an abundant number, since it is smaller than the sum of its proper divisors (212284360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145070000 is an equidigital number, since it uses as much as digits as its factorization.

145070000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 145070000 is about 12044.5008198763. The cubic root of 145070000 is about 525.4433141432.

The spelling of 145070000 in words is "one hundred forty-five million, seventy thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 100 125 163 178 200 250 326 356 400 445 500 625 652 712 815 890 1000 1250 1304 1424 1630 1780 2000 2225 2500 2608 3260 3560 4075 4450 5000 6520 7120 8150 8900 10000 11125 13040 14507 16300 17800 20375 22250 29014 32600 35600 40750 44500 55625 58028 65200 72535 81500 89000 101875 111250 116056 145070 163000 178000 203750 222500 232112 290140 326000 362675 407500 445000 580280 725350 815000 890000 1160560 1450700 1630000 1813375 2901400 3626750 5802800 7253500 9066875 14507000 18133750 29014000 36267500 72535000 145070000