149971496 has 16 divisors (see below), whose sum is σ = 282320640. Its totient is φ = 74686000.

The previous prime is 149971469. The next prime is 149971513. The reversal of 149971496 is 694179941.

It is a happy number.

It is a super-2 number, since 2×149971496² = 44982899224956032, which contains 22 as substring.

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, 35336 + ... + 39351.

It is an arithmetic number, because the mean of its divisors is an integer number (17645040).

Almost surely, 2^149971496 is an apocalyptic number.

It is an amenable number.

149971496 is a deficient number, since it is larger than the sum of its proper divisors (132349144).

149971496 is a wasteful number, since it uses less digits than its factorization.

149971496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74944 (or 74940 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 149971496 is about 12246.2849877014. The cubic root of 149971496 is about 531.2956268816.

The spelling of 149971496 in words is "one hundred forty-nine million, nine hundred seventy-one thousand, four hundred ninety-six".