149658974 has 16 divisors (see below), whose sum is σ = 227140848. Its totient is φ = 73948992.

The previous prime is 149658967. The next prime is 149658989. The reversal of 149658974 is 479856941.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 144362 + ... + 145394.

It is an arithmetic number, because the mean of its divisors is an integer number (14196303).

Almost surely, 2^149658974 is an apocalyptic number.

149658974 is a deficient number, since it is larger than the sum of its proper divisors (77481874).

149658974 is a wasteful number, since it uses less digits than its factorization.

149658974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its digits is 2177280, while the sum is 53.

The square root of 149658974 is about 12233.5184636310. The cubic root of 149658974 is about 530.9263188315.

The spelling of 149658974 in words is "one hundred forty-nine million, six hundred fifty-eight thousand, nine hundred seventy-four".