149691952 has 20 divisors (see below), whose sum is σ = 293021176. Its totient is φ = 74073600.

The previous prime is 149691931. The next prime is 149691959. The reversal of 149691952 is 259196941.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (149691959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46674 + ... + 49777.

Almost surely, 2^149691952 is an apocalyptic number.

It is an amenable number.

149691952 is a deficient number, since it is larger than the sum of its proper divisors (143329224).

149691952 is an equidigital number, since it uses as much as digits as its factorization.

149691952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96556 (or 96550 counting only the distinct ones).

The product of its digits is 174960, while the sum is 46.

The square root of 149691952 is about 12234.8662436497. The cubic root of 149691952 is about 530.9653132684.

The spelling of 149691952 in words is "one hundred forty-nine million, six hundred ninety-one thousand, nine hundred fifty-two".