149955664 has 20 divisors (see below), whose sum is σ = 291627540. Its totient is φ = 74696960.

The previous prime is 149955661. The next prime is 149955677. The reversal of 149955664 is 466559941.

It can be written as a sum of positive squares in 2 ways, for example, as 15210000 + 134745664 = 3900^2 + 11608^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149955661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13117 + ... + 21724.

It is an arithmetic number, because the mean of its divisors is an integer number (14581377).

Almost surely, 2^149955664 is an apocalyptic number.

It is an amenable number.

149955664 is a deficient number, since it is larger than the sum of its proper divisors (141671876).

149955664 is a wasteful number, since it uses less digits than its factorization.

149955664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35118 (or 35112 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 149955664 is about 12245.6385705279. The cubic root of 149955664 is about 531.2769305102.

The spelling of 149955664 in words is "one hundred forty-nine million, nine hundred fifty-five thousand, six hundred sixty-four".