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145000312 = 2381122349
BaseRepresentation
bin10001010010010…
…00011101111000
3101002211210000221
420221020131320
5244110002222
622215505424
73410324302
oct1051103570
9332753027
10145000312
1174937976
1240688274
132406b302
1415386972
15cae30c7
hex8a48778

145000312 has 16 divisors (see below), whose sum is σ = 272223000. Its totient is φ = 72407520.

The previous prime is 145000307. The next prime is 145000337. The reversal of 145000312 is 213000541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4687 + ... + 17662.

Almost surely, 2145000312 is an apocalyptic number.

It is an amenable number.

145000312 is a deficient number, since it is larger than the sum of its proper divisors (127222688).

145000312 is a wasteful number, since it uses less digits than its factorization.

145000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23166 (or 23162 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 145000312 is about 12041.6075338802. The cubic root of 145000312 is about 525.3591640581.

Adding to 145000312 its reverse (213000541), we get a palindrome (358000853).

The spelling of 145000312 in words is "one hundred forty-five million, three hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 8 811 1622 3244 6488 22349 44698 89396 178792 18125039 36250078 72500156 145000312