151515650 has 48 divisors (see below), whose sum is σ = 331103808. Its totient is φ = 50856000.

The previous prime is 151515641. The next prime is 151515667. The reversal of 151515650 is 56515151.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3446 + ... + 17745.

It is an arithmetic number, because the mean of its divisors is an integer number (6897996).

Almost surely, 2^151515650 is an apocalyptic number.

151515650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151515650 is an abundant number, since it is smaller than the sum of its proper divisors (179588158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151515650 is a wasteful number, since it uses less digits than its factorization.

151515650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21227 (or 21222 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 151515650 is about 12309.1693464669. The cubic root of 151515650 is about 533.1128667765.

The spelling of 151515650 in words is "one hundred fifty-one million, five hundred fifteen thousand, six hundred fifty".