149439466 has 16 divisors (see below), whose sum is σ = 245206368. Its totient is φ = 67741200.

The previous prime is 149439439. The next prime is 149439473. The reversal of 149439466 is 664934941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900 + ... + 17311.

It is an arithmetic number, because the mean of its divisors is an integer number (15325398).

Almost surely, 2^149439466 is an apocalyptic number.

149439466 is a deficient number, since it is larger than the sum of its proper divisors (95766902).

149439466 is a wasteful number, since it uses less digits than its factorization.

149439466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597.

The product of its digits is 559872, while the sum is 46.

The square root of 149439466 is about 12224.5435906622. The cubic root of 149439466 is about 530.6666181795. Note that the first 4 decimals are identical.

The spelling of 149439466 in words is "one hundred forty-nine million, four hundred thirty-nine thousand, four hundred sixty-six".