152032281 has 16 divisors (see below), whose sum is σ = 214171200. Its totient is φ = 95663808.

The previous prime is 152032259. The next prime is 152032289. The reversal of 152032281 is 182230251.

It is not a de Polignac number, because 152032281 - 2¹¹ = 152030233 is a prime.

It is a super-2 number, since 2×152032281² = 46227628932125922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152032289) 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, 10975 + ... + 20603.

It is an arithmetic number, because the mean of its divisors is an integer number (13385700).

Almost surely, 2^152032281 is an apocalyptic number.

It is an amenable number.

152032281 is a deficient number, since it is larger than the sum of its proper divisors (62138919).

152032281 is a wasteful number, since it uses less digits than its factorization.

152032281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 152032281 is about 12330.1371038606. The cubic root of 152032281 is about 533.7181071902.

The spelling of 152032281 in words is "one hundred fifty-two million, thirty-two thousand, two hundred eighty-one".