146686864 has 20 divisors (see below), whose sum is σ = 284486256. Its totient is φ = 73271072.

The previous prime is 146686861. The next prime is 146686871. The reversal of 146686864 is 468686641.

It is not an unprimeable number, because it can be changed into a prime (146686861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14667 + ... + 22549.

Almost surely, 2^146686864 is an apocalyptic number.

It is an amenable number.

146686864 is a deficient number, since it is larger than the sum of its proper divisors (137799392).

146686864 is a wasteful number, since it uses less digits than its factorization.

146686864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054 (or 9048 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 146686864 is about 12111.4352576398. The cubic root of 146686864 is about 527.3881993919.

The spelling of 146686864 in words is "one hundred forty-six million, six hundred eighty-six thousand, eight hundred sixty-four".