151515165 has 16 divisors (see below), whose sum is σ = 242885376. Its totient is φ = 80654400.

The previous prime is 151515149. The next prime is 151515167. The reversal of 151515165 is 561515151.

It is not a de Polignac number, because 151515165 - 2⁴ = 151515149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151515167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (15180336).

Almost surely, 2^151515165 is an apocalyptic number.

151515165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151515165 is a deficient number, since it is larger than the sum of its proper divisors (91370211).

151515165 is a wasteful number, since it uses less digits than its factorization.

151515165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19220.

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

The square root of 151515165 is about 12309.1496456904. The cubic root of 151515165 is about 533.1122979464.

The spelling of 151515165 in words is "one hundred fifty-one million, five hundred fifteen thousand, one hundred sixty-five".