145756864 has 28 divisors (see below), whose sum is σ = 315532008. Its totient is φ = 66252800.

The previous prime is 145756859. The next prime is 145756889. The reversal of 145756864 is 468657541.

It is a super-2 number, since 2×145756864² = 42490126806228992, which contains 22 as substring.

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, 102817 + ... + 104224.

Almost surely, 2^145756864 is an apocalyptic number.

It is an amenable number.

145756864 is an abundant number, since it is smaller than the sum of its proper divisors (169775144).

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

145756864 is a wasteful number, since it uses less digits than its factorization.

145756864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207064 (or 207054 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 145756864 is about 12072.9807421365. The cubic root of 145756864 is about 526.2712822322.

The spelling of 145756864 in words is "one hundred forty-five million, seven hundred fifty-six thousand, eight hundred sixty-four".