150909769 has 2 divisors, whose sum is σ = 150909770. Its totient is φ = 150909768.

The previous prime is 150909743. The next prime is 150909797. The reversal of 150909769 is 967909051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135606025 + 15303744 = 11645^2 + 3912^2 .

It is a cyclic number.

It is not a de Polignac number, because 150909769 - 2¹⁷ = 150778697 is a prime.

It is a super-2 number, since 2×150909769² = 45547516759266722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150939769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75454884 + 75454885.

It is an arithmetic number, because the mean of its divisors is an integer number (75454885).

Almost surely, 2^150909769 is an apocalyptic number.

It is an amenable number.

150909769 is a deficient number, since it is larger than the sum of its proper divisors (1).

150909769 is an equidigital number, since it uses as much as digits as its factorization.

150909769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 150909769 is about 12284.5337314853. The cubic root of 150909769 is about 532.4013133112.

The spelling of 150909769 in words is "one hundred fifty million, nine hundred nine thousand, seven hundred sixty-nine".