149474494 has 16 divisors (see below), whose sum is σ = 245553840. Its totient is φ = 67818240.

The previous prime is 149474473. The next prime is 149474569. The reversal of 149474494 is 494474941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47187 + ... + 50254.

It is an arithmetic number, because the mean of its divisors is an integer number (15347115).

Almost surely, 2^149474494 is an apocalyptic number.

149474494 is a deficient number, since it is larger than the sum of its proper divisors (96079346).

149474494 is a wasteful number, since it uses less digits than its factorization.

149474494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97515.

The product of its digits is 580608, while the sum is 46.

The square root of 149474494 is about 12225.9761982428. The cubic root of 149474494 is about 530.7080769692.

The spelling of 149474494 in words is "one hundred forty-nine million, four hundred seventy-four thousand, four hundred ninety-four".