149474492 has 12 divisors (see below), whose sum is σ = 261790536. Its totient is φ = 74677200.

The previous prime is 149474473. The next prime is 149474569. The reversal of 149474492 is 294474941.

It is a happy number.

149474492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9158 + ... + 19565.

It is an arithmetic number, because the mean of its divisors is an integer number (21815878).

Almost surely, 2^149474492 is an apocalyptic number.

It is an amenable number.

149474492 is a deficient number, since it is larger than the sum of its proper divisors (112316044).

149474492 is a wasteful number, since it uses less digits than its factorization.

149474492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30028 (or 30026 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 149474492 is about 12225.9761164498. The cubic root of 149474492 is about 530.7080746022.

The spelling of 149474492 in words is "one hundred forty-nine million, four hundred seventy-four thousand, four hundred ninety-two".