155653648 has 20 divisors (see below), whose sum is σ = 302552188. Its totient is φ = 77575680.

The previous prime is 155653637. The next prime is 155653699. The reversal of 155653648 is 846356551.

It can be written as a sum of positive squares in 2 ways, for example, as 16224784 + 139428864 = 4028^2 + 11808^2 .

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, 10533 + ... + 20548.

Almost surely, 2^155653648 is an apocalyptic number.

It is an amenable number.

155653648 is a deficient number, since it is larger than the sum of its proper divisors (146898540).

155653648 is a wasteful number, since it uses less digits than its factorization.

155653648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31402 (or 31396 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 155653648 is about 12476.1231157760. The cubic root of 155653648 is about 537.9225714637.

The spelling of 155653648 in words is "one hundred fifty-five million, six hundred fifty-three thousand, six hundred forty-eight".