145875864 has 32 divisors (see below), whose sum is σ = 366715440. Its totient is φ = 48355200.

The previous prime is 145875859. The next prime is 145875889. The reversal of 145875864 is 468578541.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12447 + ... + 21134.

Almost surely, 2^145875864 is an apocalyptic number.

It is an amenable number.

145875864 is an abundant number, since it is smaller than the sum of its proper divisors (220839576).

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

145875864 is a wasteful number, since it uses less digits than its factorization.

145875864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33771 (or 33767 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 145875864 is about 12077.9080970175. The cubic root of 145875864 is about 526.4144641616.

The spelling of 145875864 in words is "one hundred forty-five million, eight hundred seventy-five thousand, eight hundred sixty-four".