152881461 has 12 divisors (see below), whose sum is σ = 221232492. Its totient is φ = 101734656.

The previous prime is 152881453. The next prime is 152881481. The reversal of 152881461 is 164188251.

It can be written as a sum of positive squares in 2 ways, for example, as 60606225 + 92275236 = 7785^2 + 9606^2 .

It is not a de Polignac number, because 152881461 - 2³ = 152881453 is a prime.

It is a super-2 number, since 2×152881461² = 46745482234989042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152881481) 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 11 ways as a sum of consecutive naturals, for example, 10236 + ... + 20261.

It is an arithmetic number, because the mean of its divisors is an integer number (18436041).

Almost surely, 2^152881461 is an apocalyptic number.

It is an amenable number.

152881461 is a deficient number, since it is larger than the sum of its proper divisors (68351031).

152881461 is a wasteful number, since it uses less digits than its factorization.

152881461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31060 (or 31057 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 152881461 is about 12364.5242933159. The cubic root of 152881461 is about 534.7099612867.

The spelling of 152881461 in words is "one hundred fifty-two million, eight hundred eighty-one thousand, four hundred sixty-one".