149443264 has 56 divisors (see below), whose sum is σ = 311261760. Its totient is φ = 71092224.

The previous prime is 149443253. The next prime is 149443289. The reversal of 149443264 is 462344941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134937 + ... + 136039.

Almost surely, 2^149443264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149443264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155630880).

149443264 is an abundant number, since it is smaller than the sum of its proper divisors (161818496).

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

149443264 is a wasteful number, since it uses less digits than its factorization.

149443264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1207 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 149443264 is about 12224.6989328981. The cubic root of 149443264 is about 530.6711137674.

The spelling of 149443264 in words is "one hundred forty-nine million, four hundred forty-three thousand, two hundred sixty-four".