150065557 has 2 divisors, whose sum is σ = 150065558. Its totient is φ = 150065556.

The previous prime is 150065549. The next prime is 150065623. The reversal of 150065557 is 755560051.

150065557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150038001 + 27556 = 12249^2 + 166^2 .

It is a cyclic number.

It is not a de Polignac number, because 150065557 - 2³ = 150065549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150065527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75032778 + 75032779.

It is an arithmetic number, because the mean of its divisors is an integer number (75032779).

Almost surely, 2^150065557 is an apocalyptic number.

It is an amenable number.

150065557 is a deficient number, since it is larger than the sum of its proper divisors (1).

150065557 is an equidigital number, since it uses as much as digits as its factorization.

150065557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 150065557 is about 12250.1247748747. The cubic root of 150065557 is about 531.4066785484.

The spelling of 150065557 in words is "one hundred fifty million, sixty-five thousand, five hundred fifty-seven".