162158149 has 2 divisors, whose sum is σ = 162158150. Its totient is φ = 162158148.

The previous prime is 162158083. The next prime is 162158197. The reversal of 162158149 is 941851261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139405249 + 22752900 = 11807^2 + 4770^2 .

It is a cyclic number.

It is not a de Polignac number, because 162158149 - 2²⁷ = 27940421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162158449) 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, 81079074 + 81079075.

It is an arithmetic number, because the mean of its divisors is an integer number (81079075).

Almost surely, 2^162158149 is an apocalyptic number.

It is an amenable number.

162158149 is a deficient number, since it is larger than the sum of its proper divisors (1).

162158149 is an equidigital number, since it uses as much as digits as its factorization.

162158149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 162158149 is about 12734.1332253122. The cubic root of 162158149 is about 545.3135126277.

The spelling of 162158149 in words is "one hundred sixty-two million, one hundred fifty-eight thousand, one hundred forty-nine".