149854666 has 24 divisors (see below), whose sum is σ = 245389824. Its totient is φ = 68599440.

The previous prime is 149854633. The next prime is 149854681. The reversal of 149854666 is 666458941.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41181 + ... + 44671.

It is an arithmetic number, because the mean of its divisors is an integer number (10224576).

Almost surely, 2^149854666 is an apocalyptic number.

149854666 is a deficient number, since it is larger than the sum of its proper divisors (95535158).

149854666 is a wasteful number, since it uses less digits than its factorization.

149854666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3633 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 149854666 is about 12241.5140403465. The cubic root of 149854666 is about 531.1576286734.

The spelling of 149854666 in words is "one hundred forty-nine million, eight hundred fifty-four thousand, six hundred sixty-six".