155165151 has 16 divisors (see below), whose sum is σ = 211106528. Its totient is φ = 101347200.

The previous prime is 155165147. The next prime is 155165183. The reversal of 155165151 is 151561551.

It is not a de Polignac number, because 155165151 - 2² = 155165147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155165111) 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, 49161 + ... + 52221.

It is an arithmetic number, because the mean of its divisors is an integer number (13194158).

Almost surely, 2^155165151 is an apocalyptic number.

155165151 is a deficient number, since it is larger than the sum of its proper divisors (55941377).

155165151 is a wasteful number, since it uses less digits than its factorization.

155165151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402.

The product of its digits is 3750, while the sum is 30.

The square root of 155165151 is about 12456.5304559496. The cubic root of 155165151 is about 537.3592504009.

The spelling of 155165151 in words is "one hundred fifty-five million, one hundred sixty-five thousand, one hundred fifty-one".