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145147600 = 245213103271
BaseRepresentation
bin10001010011011…
…00011011010000
3101010010021002001
420221230123100
5244124210400
622223003344
73411506563
oct1051543320
9333107061
10145147600
1174a285a4
1240739554
13240c0370
14153c44da
15cb21a6a
hex8a6c6d0

145147600 has 120 divisors (see below), whose sum is σ = 380586752. Its totient is φ = 52876800.

The previous prime is 145147589. The next prime is 145147601. The reversal of 145147600 is 6741541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145147601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535465 + ... + 535735.

Almost surely, 2145147600 is an apocalyptic number.

145147600 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 145147600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190293376).

145147600 is an abundant number, since it is smaller than the sum of its proper divisors (235439152).

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

145147600 is a wasteful number, since it uses less digits than its factorization.

145147600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 145147600 is about 12047.7217763360. The cubic root of 145147600 is about 525.5369864694.

The spelling of 145147600 in words is "one hundred forty-five million, one hundred forty-seven thousand, six hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 103 104 130 200 206 208 260 271 325 400 412 515 520 542 650 824 1030 1040 1084 1300 1339 1355 1648 2060 2168 2575 2600 2678 2710 3523 4120 4336 5150 5200 5356 5420 6695 6775 7046 8240 10300 10712 10840 13390 13550 14092 17615 20600 21424 21680 26780 27100 27913 28184 33475 35230 41200 53560 54200 55826 56368 66950 70460 88075 107120 108400 111652 133900 139565 140920 176150 223304 267800 279130 281840 352300 362869 446608 535600 558260 697825 704600 725738 1116520 1395650 1409200 1451476 1814345 2233040 2791300 2902952 3628690 5582600 5805904 7257380 9071725 11165200 14514760 18143450 29029520 36286900 72573800 145147600