149669632 has 90 divisors (see below), whose sum is σ = 362773208. Its totient is φ = 60370944.

The previous prime is 149669629. The next prime is 149669677. The reversal of 149669632 is 236966941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8804088 + ... + 8804104.

Almost surely, 2^149669632 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 149669632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181386604).

149669632 is an abundant number, since it is smaller than the sum of its proper divisors (213103576).

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

149669632 is an frugal number, since it uses more digits than its factorization.

149669632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 26 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 149669632 is about 12233.9540623627. The cubic root of 149669632 is about 530.9389218810.

The spelling of 149669632 in words is "one hundred forty-nine million, six hundred sixty-nine thousand, six hundred thirty-two".