149437474 has 8 divisors (see below), whose sum is σ = 226213020. Its totient is φ = 74033136.

The previous prime is 149437459. The next prime is 149437511. The reversal of 149437474 is 474734941.

It can be written as a sum of positive squares in 2 ways, for example, as 143400625 + 6036849 = 11975^2 + 2457^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 149437474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342529 + ... + 342964.

Almost surely, 2^149437474 is an apocalyptic number.

149437474 is a deficient number, since it is larger than the sum of its proper divisors (76775546).

149437474 is a wasteful number, since it uses less digits than its factorization.

149437474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685604.

The product of its digits is 338688, while the sum is 43.

The square root of 149437474 is about 12224.4621149562. The cubic root of 149437474 is about 530.6642602736.

The spelling of 149437474 in words is "one hundred forty-nine million, four hundred thirty-seven thousand, four hundred seventy-four".