152300281 has 27 divisors (see below), whose sum is σ = 185913423. Its totient is φ = 124397280.

The previous prime is 152300279. The next prime is 152300293. The reversal of 152300281 is 182003251.

The square root of 152300281 is 12341.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 144961600 = 2709^2 + 12040^2 .

It is not a de Polignac number, because 152300281 - 2¹ = 152300279 is a prime.

It is a super-2 number, since 2×152300281² = 46390751185357922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152300221) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3541846 + ... + 3541888.

Almost surely, 2^152300281 is an apocalyptic number.

152300281 is the 12341-st square number.

152300281 is the 6171-st centered octagonal number.

It is an amenable number.

152300281 is a deficient number, since it is larger than the sum of its proper divisors (33613142).

152300281 is an frugal number, since it uses more digits than its factorization.

152300281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The cubic root of 152300281 is about 534.0315329236.

The spelling of 152300281 in words is "one hundred fifty-two million, three hundred thousand, two hundred eighty-one".