150439957 has 2 divisors, whose sum is σ = 150439958. Its totient is φ = 150439956.

The previous prime is 150439909. The next prime is 150439973. The reversal of 150439957 is 759934051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150038001 + 401956 = 12249^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 150439957 - 2¹¹ = 150437909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150439357) 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, 75219978 + 75219979.

It is an arithmetic number, because the mean of its divisors is an integer number (75219979).

Almost surely, 2^150439957 is an apocalyptic number.

It is an amenable number.

150439957 is a deficient number, since it is larger than the sum of its proper divisors (1).

150439957 is an equidigital number, since it uses as much as digits as its factorization.

150439957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 150439957 is about 12265.3967322708. The cubic root of 150439957 is about 531.8482487352.

The spelling of 150439957 in words is "one hundred fifty million, four hundred thirty-nine thousand, nine hundred fifty-seven".