149437868 has 6 divisors (see below), whose sum is σ = 261516276. Its totient is φ = 74718932.

The previous prime is 149437823. The next prime is 149437891. The reversal of 149437868 is 868734941.

149437868 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18679730 + ... + 18679737.

It is an arithmetic number, because the mean of its divisors is an integer number (43586046).

Almost surely, 2^149437868 is an apocalyptic number.

It is an amenable number.

149437868 is a deficient number, since it is larger than the sum of its proper divisors (112078408).

149437868 is a wasteful number, since it uses less digits than its factorization.

149437868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37359471 (or 37359469 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 149437868 is about 12224.4782301741. The cubic root of 149437868 is about 530.6647266482.

The spelling of 149437868 in words is "one hundred forty-nine million, four hundred thirty-seven thousand, eight hundred sixty-eight".