152261550 has 72 divisors (see below), whose sum is σ = 467525136. Its totient is φ = 34801920.

The previous prime is 152261531. The next prime is 152261561. The reversal of 152261550 is 55162251.

152261550 is a `hidden beast` number, since 1 + 52 + 2 + 61 + 550 = 666.

152261550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21019 + ... + 27318.

Almost surely, 2^152261550 is an apocalyptic number.

152261550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152261550 is an abundant number, since it is smaller than the sum of its proper divisors (315263586).

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

152261550 is a wasteful number, since it uses less digits than its factorization.

152261550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48362 (or 48354 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 152261550 is about 12339.4306999958. The cubic root of 152261550 is about 533.9862597988.

The spelling of 152261550 in words is "one hundred fifty-two million, two hundred sixty-one thousand, five hundred fifty".