149813252 has 24 divisors (see below), whose sum is σ = 281850240. Its totient is φ = 69452640.

The previous prime is 149813239. The next prime is 149813269. The reversal of 149813252 is 252318941.

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 7 ways as a sum of consecutive naturals, for example, 17399 + ... + 24542.

It is an arithmetic number, because the mean of its divisors is an integer number (11743760).

Almost surely, 2^149813252 is an apocalyptic number.

It is an amenable number.

149813252 is a deficient number, since it is larger than the sum of its proper divisors (132036988).

149813252 is a wasteful number, since it uses less digits than its factorization.

149813252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42011 (or 42009 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 149813252 is about 12239.8223843322. The cubic root of 149813252 is about 531.1086937301.

The spelling of 149813252 in words is "one hundred forty-nine million, eight hundred thirteen thousand, two hundred fifty-two".