155153313 has 48 divisors (see below), whose sum is σ = 270781056. Its totient is φ = 86935680.

The previous prime is 155153309. The next prime is 155153333. The reversal of 155153313 is 313351551.

It is not a de Polignac number, because 155153313 - 2² = 155153309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (155153333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89293 + ... + 91013.

It is an arithmetic number, because the mean of its divisors is an integer number (5641272).

Almost surely, 2^155153313 is an apocalyptic number.

It is an amenable number.

155153313 is a deficient number, since it is larger than the sum of its proper divisors (115627743).

155153313 is an equidigital number, since it uses as much as digits as its factorization.

155153313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1784 counting only the distinct ones).

The product of its digits is 3375, while the sum is 27.

The square root of 155153313 is about 12456.0552744438. The cubic root of 155153313 is about 537.3455844875.

The spelling of 155153313 in words is "one hundred fifty-five million, one hundred fifty-three thousand, three hundred thirteen".