152161252 has 6 divisors (see below), whose sum is σ = 266282198. Its totient is φ = 76080624.

The previous prime is 152161223. The next prime is 152161297. The reversal of 152161252 is 252161251.

It can be written as a sum of positive squares in only one way, i.e., 85673536 + 66487716 = 9256^2 + 8154^2 .

It is a super-2 number, since 2×152161252² = 46306093220415008, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19020153 + ... + 19020160.

Almost surely, 2^152161252 is an apocalyptic number.

It is an amenable number.

152161252 is a deficient number, since it is larger than the sum of its proper divisors (114120946).

152161252 is a wasteful number, since it uses less digits than its factorization.

152161252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38040317 (or 38040315 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 152161252 is about 12335.3659045851. The cubic root of 152161252 is about 533.8689845837.

Subtracting 152161252 from its reverse (252161251), we obtain a palindrome (99999999).

The spelling of 152161252 in words is "one hundred fifty-two million, one hundred sixty-one thousand, two hundred fifty-two".