155650864 has 20 divisors (see below), whose sum is σ = 302478904. Its totient is φ = 77591808.

The previous prime is 155650853. The next prime is 155650889. The reversal of 155650864 is 468056551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9042 + ... + 19825.

Almost surely, 2^155650864 is an apocalyptic number.

It is an amenable number.

155650864 is a deficient number, since it is larger than the sum of its proper divisors (146828040).

155650864 is a wasteful number, since it uses less digits than its factorization.

155650864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29212 (or 29206 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 155650864 is about 12476.0115421556. The cubic root of 155650864 is about 537.9193643746.

The spelling of 155650864 in words is "one hundred fifty-five million, six hundred fifty thousand, eight hundred sixty-four".