152161251 has 32 divisors (see below), whose sum is σ = 227681280. Its totient is φ = 90353120.

The previous prime is 152161223. The next prime is 152161297.

152161251 is nontrivially palindromic in base 10.

152161251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152161251 - 2¹³ = 152153059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152161201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211270 + ... + 211988.

It is an arithmetic number, because the mean of its divisors is an integer number (7115040).

Almost surely, 2^152161251 is an apocalyptic number.

152161251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

152161251 is a deficient number, since it is larger than the sum of its proper divisors (75520029).

152161251 is an equidigital number, since it uses as much as digits as its factorization.

152161251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 786 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 152161251 is about 12335.3658640512. The cubic root of 152161251 is about 533.8689834142.

The spelling of 152161251 in words is "one hundred fifty-two million, one hundred sixty-one thousand, two hundred fifty-one".