149477319 has 24 divisors (see below), whose sum is σ = 231142912. Its totient is φ = 96432120.

The previous prime is 149477303. The next prime is 149477323. The reversal of 149477319 is 913774941.

149477319 is a `hidden beast` number, since 149 + 477 + 31 + 9 = 666.

It is not a de Polignac number, because 149477319 - 2⁴ = 149477303 is a prime.

It is a super-2 number, since 2×149477319² = 44686937790855522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149477359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2389 + ... + 17454.

Almost surely, 2^149477319 is an apocalyptic number.

149477319 is a deficient number, since it is larger than the sum of its proper divisors (81665593).

149477319 is an equidigital number, since it uses as much as digits as its factorization.

149477319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19889 (or 19877 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 149477319 is about 12226.0917303937. The cubic root of 149477319 is about 530.7114203286.

The spelling of 149477319 in words is "one hundred forty-nine million, four hundred seventy-seven thousand, three hundred nineteen".