155268117 has 32 divisors (see below), whose sum is σ = 242064000. Its totient is φ = 98219520.

The previous prime is 155268097. The next prime is 155268131. The reversal of 155268117 is 711862551.

155268117 is a `hidden beast` number, since 15 + 526 + 8 + 117 = 666.

It is not a de Polignac number, because 155268117 - 2²⁴ = 138490901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155268187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44517 + ... + 47877.

It is an arithmetic number, because the mean of its divisors is an integer number (7564500).

Almost surely, 2^155268117 is an apocalyptic number.

It is an amenable number.

155268117 is a deficient number, since it is larger than the sum of its proper divisors (86795883).

155268117 is a wasteful number, since it uses less digits than its factorization.

155268117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458 (or 3452 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 155268117 is about 12460.6627833354. The cubic root of 155268117 is about 537.4780861446.

The spelling of 155268117 in words is "one hundred fifty-five million, two hundred sixty-eight thousand, one hundred seventeen".