150665539 has 2 divisors, whose sum is σ = 150665540. Its totient is φ = 150665538.

The previous prime is 150665533. The next prime is 150665551. The reversal of 150665539 is 935566051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150665539 - 2²³ = 142276931 is a prime.

It is not a weakly prime, because it can be changed into another prime (150665533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75332769 + 75332770.

It is an arithmetic number, because the mean of its divisors is an integer number (75332770).

Almost surely, 2^150665539 is an apocalyptic number.

150665539 is a deficient number, since it is larger than the sum of its proper divisors (1).

150665539 is an equidigital number, since it uses as much as digits as its factorization.

150665539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 150665539 is about 12274.5891580941. The cubic root of 150665539 is about 532.1139482585.

The spelling of 150665539 in words is "one hundred fifty million, six hundred sixty-five thousand, five hundred thirty-nine".