152970161 has 2 divisors, whose sum is σ = 152970162. Its totient is φ = 152970160.

The previous prime is 152970073. The next prime is 152970211. The reversal of 152970161 is 161079251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103408561 + 49561600 = 10169^2 + 7040^2 .

It is an emirp because it is prime and its reverse (161079251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152970161 - 2²⁶ = 85861297 is a prime.

It is not a weakly prime, because it can be changed into another prime (152970361) 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 as a sum of consecutive naturals, namely, 76485080 + 76485081.

It is an arithmetic number, because the mean of its divisors is an integer number (76485081).

Almost surely, 2^152970161 is an apocalyptic number.

It is an amenable number.

152970161 is a deficient number, since it is larger than the sum of its proper divisors (1).

152970161 is an equidigital number, since it uses as much as digits as its factorization.

152970161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 152970161 is about 12368.1106479527. The cubic root of 152970161 is about 534.8133520743.

The spelling of 152970161 in words is "one hundred fifty-two million, nine hundred seventy thousand, one hundred sixty-one".