149360557 has 2 divisors, whose sum is σ = 149360558. Its totient is φ = 149360556.

The previous prime is 149360461. The next prime is 149360569. The reversal of 149360557 is 755063941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115476516 + 33884041 = 10746^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 149360557 - 2⁷ = 149360429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149360587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74680278 + 74680279.

It is an arithmetic number, because the mean of its divisors is an integer number (74680279).

Almost surely, 2^149360557 is an apocalyptic number.

It is an amenable number.

149360557 is a deficient number, since it is larger than the sum of its proper divisors (1).

149360557 is an equidigital number, since it uses as much as digits as its factorization.

149360557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 149360557 is about 12221.3156820369. The cubic root of 149360557 is about 530.5731985365.

The spelling of 149360557 in words is "one hundred forty-nine million, three hundred sixty thousand, five hundred fifty-seven".