149313757 has 2 divisors, whose sum is σ = 149313758. Its totient is φ = 149313756.

The previous prime is 149313743. The next prime is 149313809. The reversal of 149313757 is 757313941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85729081 + 63584676 = 9259^2 + 7974^2 .

It is a cyclic number.

It is not a de Polignac number, because 149313757 - 2⁷ = 149313629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149313707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74656878 + 74656879.

It is an arithmetic number, because the mean of its divisors is an integer number (74656879).

Almost surely, 2^149313757 is an apocalyptic number.

It is an amenable number.

149313757 is a deficient number, since it is larger than the sum of its proper divisors (1).

149313757 is an equidigital number, since it uses as much as digits as its factorization.

149313757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 149313757 is about 12219.4008445586. The cubic root of 149313757 is about 530.5177768998.

The spelling of 149313757 in words is "one hundred forty-nine million, three hundred thirteen thousand, seven hundred fifty-seven".