149133825 has 24 divisors (see below), whose sum is σ = 273965600. Its totient is φ = 79537680.

The previous prime is 149133823. The next prime is 149133833. The reversal of 149133825 is 528331941.

It is not a de Polignac number, because 149133825 - 2¹ = 149133823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149133825.

It is not an unprimeable number, because it can be changed into a prime (149133821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109795 + ... + 111144.

Almost surely, 2^149133825 is an apocalyptic number.

149133825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149133825 is a deficient number, since it is larger than the sum of its proper divisors (124831775).

149133825 is a wasteful number, since it uses less digits than its factorization.

149133825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220958 (or 220947 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 149133825 is about 12212.0360710244. The cubic root of 149133825 is about 530.3045893675.

The spelling of 149133825 in words is "one hundred forty-nine million, one hundred thirty-three thousand, eight hundred twenty-five".