146564872 has 8 divisors (see below), whose sum is σ = 274809150. Its totient is φ = 73282432.

The previous prime is 146564849. The next prime is 146564897. The reversal of 146564872 is 278465641.

It can be written as a sum of positive squares in only one way, i.e., 74891716 + 71673156 = 8654^2 + 8466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9160297 + ... + 9160312.

Almost surely, 2^146564872 is an apocalyptic number.

It is an amenable number.

146564872 is a deficient number, since it is larger than the sum of its proper divisors (128244278).

146564872 is a wasteful number, since it uses less digits than its factorization.

146564872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18320615 (or 18320611 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 146564872 is about 12106.3979779289. The cubic root of 146564872 is about 527.2419582016.

The spelling of 146564872 in words is "one hundred forty-six million, five hundred sixty-four thousand, eight hundred seventy-two".