150642169 has 2 divisors, whose sum is σ = 150642170. Its totient is φ = 150642168.

The previous prime is 150642119. The next prime is 150642179. The reversal of 150642169 is 961246051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96766569 + 53875600 = 9837^2 + 7340^2 .

It is a cyclic number.

It is not a de Polignac number, because 150642169 - 2¹¹ = 150640121 is a prime.

It is a super-2 number, since 2×150642169² = 45386126162049122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150642119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75321084 + 75321085.

It is an arithmetic number, because the mean of its divisors is an integer number (75321085).

Almost surely, 2^150642169 is an apocalyptic number.

It is an amenable number.

150642169 is a deficient number, since it is larger than the sum of its proper divisors (1).

150642169 is an equidigital number, since it uses as much as digits as its factorization.

150642169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 150642169 is about 12273.6371544868. The cubic root of 150642169 is about 532.0864344552.

The spelling of 150642169 in words is "one hundred fifty million, six hundred forty-two thousand, one hundred sixty-nine".