149313925 has 6 divisors (see below), whose sum is σ = 185149298. Its totient is φ = 119451120.

The previous prime is 149313919. The next prime is 149313937. The reversal of 149313925 is 529313941.

It can be written as a sum of positive squares in 3 ways, for example, as 32695524 + 116618401 = 5718^2 + 10799^2 .

It is not a de Polignac number, because 149313925 - 2⁹ = 149313413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 2986254 + ... + 2986303.

Almost surely, 2^149313925 is an apocalyptic number.

It is an amenable number.

149313925 is a deficient number, since it is larger than the sum of its proper divisors (35835373).

149313925 is an equidigital number, since it uses as much as digits as its factorization.

149313925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972567 (or 5972562 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 149313925 is about 12219.4077188708. The cubic root of 149313925 is about 530.5179758700.

The spelling of 149313925 in words is "one hundred forty-nine million, three hundred thirteen thousand, nine hundred twenty-five".