155853313 has 16 divisors (see below), whose sum is σ = 202761216. Its totient is φ = 116162640.

The previous prime is 155853301. The next prime is 155853319. The reversal of 155853313 is 313358551.

It is a de Polignac number, because none of the positive numbers 2^k-155853313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155853319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42231 + ... + 45772.

It is an arithmetic number, because the mean of its divisors is an integer number (12672576).

Almost surely, 2^155853313 is an apocalyptic number.

It is an amenable number.

155853313 is a deficient number, since it is larger than the sum of its proper divisors (46907903).

155853313 is a wasteful number, since it uses less digits than its factorization.

155853313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88044.

The product of its digits is 27000, while the sum is 34.

The square root of 155853313 is about 12484.1224361186. The cubic root of 155853313 is about 538.1524802387.

The spelling of 155853313 in words is "one hundred fifty-five million, eight hundred fifty-three thousand, three hundred thirteen".