149444666 has 16 divisors (see below), whose sum is σ = 257675904. Its totient is φ = 63676464.

The previous prime is 149444623. The next prime is 149444677. The reversal of 149444666 is 666444941.

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, 28430 + ... + 33273.

It is an arithmetic number, because the mean of its divisors is an integer number (16104744).

Almost surely, 2^149444666 is an apocalyptic number.

149444666 is a deficient number, since it is larger than the sum of its proper divisors (108231238).

149444666 is a wasteful number, since it uses less digits than its factorization.

149444666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61885.

The product of its digits is 497664, while the sum is 44.

The square root of 149444666 is about 12224.7562756891. The cubic root of 149444666 is about 530.6727732569.

The spelling of 149444666 in words is "one hundred forty-nine million, four hundred forty-four thousand, six hundred sixty-six".