150681169 has 2 divisors, whose sum is σ = 150681170. Its totient is φ = 150681168.

The previous prime is 150681161. The next prime is 150681247. The reversal of 150681169 is 961186051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141919569 + 8761600 = 11913^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 150681169 - 2³ = 150681161 is a prime.

It is a super-2 number, since 2×150681169² = 45409629382413122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150681161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75340584 + 75340585.

It is an arithmetic number, because the mean of its divisors is an integer number (75340585).

Almost surely, 2^150681169 is an apocalyptic number.

It is an amenable number.

150681169 is a deficient number, since it is larger than the sum of its proper divisors (1).

150681169 is an equidigital number, since it uses as much as digits as its factorization.

150681169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 150681169 is about 12275.2258227700. The cubic root of 150681169 is about 532.1323480719.

The spelling of 150681169 in words is "one hundred fifty million, six hundred eighty-one thousand, one hundred sixty-nine".