149788925 has 54 divisors (see below), whose sum is σ = 221825646. Its totient is φ = 100214400.

The previous prime is 149788871. The next prime is 149788927. The reversal of 149788925 is 529887941.

It can be written as a sum of positive squares in 9 ways, for example, as 54804409 + 94984516 = 7403^2 + 9746^2 .

It is not a de Polignac number, because 149788925 - 2⁶ = 149788861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149788927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 511079 + ... + 511371.

Almost surely, 2^149788925 is an apocalyptic number.

It is an amenable number.

149788925 is a deficient number, since it is larger than the sum of its proper divisors (72036721).

149788925 is a wasteful number, since it uses less digits than its factorization.

149788925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 322 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 53.

The square root of 149788925 is about 12238.8285795659. The cubic root of 149788925 is about 531.0799446477.

The spelling of 149788925 in words is "one hundred forty-nine million, seven hundred eighty-eight thousand, nine hundred twenty-five".