149022986 has 16 divisors (see below), whose sum is σ = 270495936. Its totient is φ = 60110016.

The previous prime is 149022977. The next prime is 149022997. The reversal of 149022986 is 689220941.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312836 + ... + 313311.

It is an arithmetic number, because the mean of its divisors is an integer number (16905996).

Almost surely, 2^149022986 is an apocalyptic number.

149022986 is a deficient number, since it is larger than the sum of its proper divisors (121472950).

149022986 is a wasteful number, since it uses less digits than its factorization.

149022986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626173.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 149022986 is about 12207.4971226702. The cubic root of 149022986 is about 530.1731794339.

The spelling of 149022986 in words is "one hundred forty-nine million, twenty-two thousand, nine hundred eighty-six".