149818868 has 12 divisors (see below), whose sum is σ = 262306212. Its totient is φ = 74874240.

The previous prime is 149818861. The next prime is 149818871. The reversal of 149818868 is 868818941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52243984 + 97574884 = 7228^2 + 9878^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149818861) 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, 2348 + ... + 17468.

It is an arithmetic number, because the mean of its divisors is an integer number (21858851).

Almost surely, 2^149818868 is an apocalyptic number.

It is an amenable number.

149818868 is a deficient number, since it is larger than the sum of its proper divisors (112487344).

149818868 is a wasteful number, since it uses less digits than its factorization.

149818868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17602 (or 17600 counting only the distinct ones).

The product of its digits is 884736, while the sum is 53.

The square root of 149818868 is about 12240.0517972760. The cubic root of 149818868 is about 531.1153301460.

The spelling of 149818868 in words is "one hundred forty-nine million, eight hundred eighteen thousand, eight hundred sixty-eight".