149447692 has 12 divisors (see below), whose sum is σ = 275298520. Its totient is φ = 70790976.

The previous prime is 149447681. The next prime is 149447707. The reversal of 149447692 is 296744941.

It is a super-2 number, since 2×149447692² = 44669225288253728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983133 + ... + 983284.

Almost surely, 2^149447692 is an apocalyptic number.

It is an amenable number.

149447692 is a deficient number, since it is larger than the sum of its proper divisors (125850828).

149447692 is a wasteful number, since it uses less digits than its factorization.

149447692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966440 (or 1966438 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 149447692 is about 12224.8800403112. The cubic root of 149447692 is about 530.6763549727.

The spelling of 149447692 in words is "one hundred forty-nine million, four hundred forty-seven thousand, six hundred ninety-two".