151551015 has 32 divisors (see below), whose sum is σ = 302317056. Its totient is φ = 62981760.

The previous prime is 151550981. The next prime is 151551017. The reversal of 151551015 is 510155151.

It is not a de Polignac number, because 151551015 - 2⁶ = 151550951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151551017) 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, 64452 + ... + 66761.

It is an arithmetic number, because the mean of its divisors is an integer number (9447408).

Almost surely, 2^151551015 is an apocalyptic number.

151551015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151551015 is a deficient number, since it is larger than the sum of its proper divisors (150766041).

151551015 is a wasteful number, since it uses less digits than its factorization.

151551015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131239.

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

The square root of 151551015 is about 12310.6057933800. The cubic root of 151551015 is about 533.1543411938.

The spelling of 151551015 in words is "one hundred fifty-one million, five hundred fifty-one thousand, fifteen".