152474281 has 4 divisors (see below), whose sum is σ = 152964864. Its totient is φ = 151983700.

The previous prime is 152474263. The next prime is 152474293. The reversal of 152474281 is 182474251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152474281 - 2⁵ = 152474249 is a prime.

It is a super-2 number, since 2×152474281² = 46496812732933922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152474081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244825 + ... + 245446.

It is an arithmetic number, because the mean of its divisors is an integer number (38241216).

Almost surely, 2^152474281 is an apocalyptic number.

It is an amenable number.

152474281 is a deficient number, since it is larger than the sum of its proper divisors (490583).

152474281 is an equidigital number, since it uses as much as digits as its factorization.

152474281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490582.

The product of its digits is 17920, while the sum is 34.

The square root of 152474281 is about 12348.0476594480. The cubic root of 152474281 is about 534.2348289420.

The spelling of 152474281 in words is "one hundred fifty-two million, four hundred seventy-four thousand, two hundred eighty-one".