149999994 has 24 divisors (see below), whose sum is σ = 325260000. Its totient is φ = 49960008.

The previous prime is 149999957. The next prime is 150000001. The reversal of 149999994 is 499999941.

149999994 is digitally balanced in base 2, because in such base 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 in 11 ways as a sum of consecutive naturals, for example, 27507 + ... + 32505.

It is an arithmetic number, because the mean of its divisors is an integer number (13552500).

Almost surely, 2^149999994 is an apocalyptic number.

149999994 is an abundant number, since it is smaller than the sum of its proper divisors (175260006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149999994 is a wasteful number, since it uses less digits than its factorization.

149999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674 (or 6671 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 63.

The square root of 149999994 is about 12247.4484689669. The cubic root of 149999994 is about 531.3292775069.

The spelling of 149999994 in words is "one hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-four".