149513125 has 40 divisors (see below), whose sum is σ = 197655480. Its totient is φ = 112896000.

The previous prime is 149513099. The next prime is 149513137. The reversal of 149513125 is 521315941.

149513125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 20 ways, for example, as 145178401 + 4334724 = 12049^2 + 2082^2 .

It is not a de Polignac number, because 149513125 - 2⁷ = 149512997 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1323069 + ... + 1323181.

It is an arithmetic number, because the mean of its divisors is an integer number (4941387).

Almost surely, 2^149513125 is an apocalyptic number.

It is an amenable number.

149513125 is a deficient number, since it is larger than the sum of its proper divisors (48142355).

149513125 is an equidigital number, since it uses as much as digits as its factorization.

149513125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 220 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 149513125 is about 12227.5559700212. Note that the first 3 decimals coincide. The cubic root of 149513125 is about 530.7537927236.

The spelling of 149513125 in words is "one hundred forty-nine million, five hundred thirteen thousand, one hundred twenty-five".