152164572281 has 16 divisors (see below), whose sum is σ = 169738493760. Its totient is φ = 135561507840.

The previous prime is 152164572233. The next prime is 152164572323. The reversal of 152164572281 is 182275461251.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 152164572281 - 2¹⁰ = 152164571257 is a prime.

It is a super-4 number, since 4×152164572281⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (152164572181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184961 + ... + 581841.

It is an arithmetic number, because the mean of its divisors is an integer number (10608655860).

Almost surely, 2^152164572281 is an apocalyptic number.

It is an amenable number.

152164572281 is a deficient number, since it is larger than the sum of its proper divisors (17573921479).

152164572281 is a wasteful number, since it uses less digits than its factorization.

152164572281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398104.

The product of its digits is 268800, while the sum is 44.

The spelling of 152164572281 in words is "one hundred fifty-two billion, one hundred sixty-four million, five hundred seventy-two thousand, two hundred eighty-one".