151515015 has 16 divisors (see below), whose sum is σ = 248062848. Its totient is φ = 78928416.

The previous prime is 151514989. The next prime is 151515041. The reversal of 151515015 is 510515151.

It is an interprime number because it is at equal distance from previous prime (151514989) and next prime (151515041).

It is not a de Polignac number, because 151515015 - 2¹¹ = 151512967 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, 116809 + ... + 118098.

It is an arithmetic number, because the mean of its divisors is an integer number (15503928).

Almost surely, 2^151515015 is an apocalyptic number.

151515015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151515015 is a deficient number, since it is larger than the sum of its proper divisors (96547833).

151515015 is a wasteful number, since it uses less digits than its factorization.

151515015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234958.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 151515015 is about 12309.1435526604. The cubic root of 151515015 is about 533.1121220193.

The spelling of 151515015 in words is "one hundred fifty-one million, five hundred fifteen thousand, fifteen".