155151165 has 16 divisors (see below), whose sum is σ = 267337728. Its totient is φ = 76382016.

The previous prime is 155151109. The next prime is 155151211. The reversal of 155151165 is 561151551.

It is not a de Polignac number, because 155151165 - 2⁷ = 155151037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397629 + ... + 398018.

It is an arithmetic number, because the mean of its divisors is an integer number (16708608).

Almost surely, 2^155151165 is an apocalyptic number.

155151165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155151165 is a deficient number, since it is larger than the sum of its proper divisors (112186563).

155151165 is a wasteful number, since it uses less digits than its factorization.

155151165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795668.

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

The square root of 155151165 is about 12455.9690510213. The cubic root of 155151165 is about 537.3431047388.

The spelling of 155151165 in words is "one hundred fifty-five million, one hundred fifty-one thousand, one hundred sixty-five".