149195864 has 16 divisors (see below), whose sum is σ = 279887400. Its totient is φ = 74559232.

The previous prime is 149195863. The next prime is 149195869. The reversal of 149195864 is 468591941.

149195864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149195861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17747 + ... + 24765.

Almost surely, 2^149195864 is an apocalyptic number.

It is an amenable number.

149195864 is a deficient number, since it is larger than the sum of its proper divisors (130691536).

149195864 is a wasteful number, since it uses less digits than its factorization.

149195864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682 (or 9678 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 149195864 is about 12214.5758829359. The cubic root of 149195864 is about 530.3781139473.

The spelling of 149195864 in words is "one hundred forty-nine million, one hundred ninety-five thousand, eight hundred sixty-four".