149918232 has 64 divisors (see below), whose sum is σ = 403752960. Its totient is φ = 46252800.

The previous prime is 149918213. The next prime is 149918267. The reversal of 149918232 is 232819941.

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 15 ways as a sum of consecutive naturals, for example, 12732 + ... + 21492.

It is an arithmetic number, because the mean of its divisors is an integer number (6308640).

Almost surely, 2^149918232 is an apocalyptic number.

149918232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149918232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201876480).

149918232 is an abundant number, since it is smaller than the sum of its proper divisors (253834728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149918232 is a wasteful number, since it uses less digits than its factorization.

149918232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8824 (or 8820 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 149918232 is about 12244.1100942453. The cubic root of 149918232 is about 531.2327209697.

The spelling of 149918232 in words is "one hundred forty-nine million, nine hundred eighteen thousand, two hundred thirty-two".