149740474 has 8 divisors (see below), whose sum is σ = 241888500. Its totient is φ = 69110976.

The previous prime is 149740469. The next prime is 149740483. The reversal of 149740474 is 474047941.

It can be written as a sum of positive squares in 2 ways, for example, as 148669249 + 1071225 = 12193^2 + 1035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879599 + ... + 2879650.

Almost surely, 2^149740474 is an apocalyptic number.

149740474 is a deficient number, since it is larger than the sum of its proper divisors (92148026).

149740474 is a wasteful number, since it uses less digits than its factorization.

149740474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759264.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 149740474 is about 12236.8490225221. The cubic root of 149740474 is about 531.0226771088.

The spelling of 149740474 in words is "one hundred forty-nine million, seven hundred forty thousand, four hundred seventy-four".