149220474 has 32 divisors (see below), whose sum is σ = 321983424. Its totient is φ = 45830400.

The previous prime is 149220439. The next prime is 149220497. The reversal of 149220474 is 474022941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51874 + ... + 54674.

It is an arithmetic number, because the mean of its divisors is an integer number (10061982).

Almost surely, 2^149220474 is an apocalyptic number.

149220474 is an abundant number, since it is smaller than the sum of its proper divisors (172762950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149220474 is a wasteful number, since it uses less digits than its factorization.

149220474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 149220474 is about 12215.5832443646. The cubic root of 149220474 is about 530.4072744692.

The spelling of 149220474 in words is "one hundred forty-nine million, two hundred twenty thousand, four hundred seventy-four".