149238774 has 40 divisors (see below), whose sum is σ = 345204288. Its totient is φ = 48139920.

The previous prime is 149238773. The next prime is 149238799. The reversal of 149238774 is 477832941.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149238773) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9837 + ... + 19880.

Almost surely, 2^149238774 is an apocalyptic number.

149238774 is an abundant number, since it is smaller than the sum of its proper divisors (195965514).

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

149238774 is a wasteful number, since it uses less digits than its factorization.

149238774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29762 (or 29753 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 149238774 is about 12216.3322646366. The cubic root of 149238774 is about 530.4289561596.

The spelling of 149238774 in words is "one hundred forty-nine million, two hundred thirty-eight thousand, seven hundred seventy-four".