149986674 has 16 divisors (see below), whose sum is σ = 333303840. Its totient is φ = 49995540.

The previous prime is 149986667. The next prime is 149986679. The reversal of 149986674 is 476689941.

149986674 is a `hidden beast` number, since 1 + 499 + 86 + 6 + 74 = 666.

149986674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2777531 = 149986674 / (1 + 4 + 9 + 9 + 8 + 6 + 6 + 7 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 149986674.

It is not an unprimeable number, because it can be changed into a prime (149986679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388712 + ... + 1388819.

It is an arithmetic number, because the mean of its divisors is an integer number (20831490).

Almost surely, 2^149986674 is an apocalyptic number.

149986674 is an abundant number, since it is smaller than the sum of its proper divisors (183317166).

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

149986674 is a wasteful number, since it uses less digits than its factorization.

149986674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777542 (or 2777536 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 149986674 is about 12246.9046701605. The cubic root of 149986674 is about 531.3135496941.

The spelling of 149986674 in words is "one hundred forty-nine million, nine hundred eighty-six thousand, six hundred seventy-four".