152012161 has 6 divisors (see below), whose sum is σ = 176830530. Its totient is φ = 130296096.

The previous prime is 152012149. The next prime is 152012167. The reversal of 152012161 is 161210251.

It can be written as a sum of positive squares in only one way, i.e., 130667761 + 21344400 = 11431^2 + 4620^2 .

It is not a de Polignac number, because 152012161 - 2¹¹ = 152010113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152012167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1551096 + ... + 1551193.

It is an arithmetic number, because the mean of its divisors is an integer number (29471755).

Almost surely, 2^152012161 is an apocalyptic number.

It is an amenable number.

152012161 is a deficient number, since it is larger than the sum of its proper divisors (24818369).

152012161 is an equidigital number, since it uses as much as digits as its factorization.

152012161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102303 (or 3102296 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 152012161 is about 12329.3211897493. The cubic root of 152012161 is about 533.6945620106.

The spelling of 152012161 in words is "one hundred fifty-two million, twelve thousand, one hundred sixty-one".