149475458 has 16 divisors (see below), whose sum is σ = 258984864. Its totient is φ = 63946560.

The previous prime is 149475433. The next prime is 149475481. The reversal of 149475458 is 854574941.

It is a happy number.

It is a Curzon 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, 199460 + ... + 200207.

It is an arithmetic number, because the mean of its divisors is an integer number (16186554).

Almost surely, 2^149475458 is an apocalyptic number.

149475458 is a deficient number, since it is larger than the sum of its proper divisors (109509406).

149475458 is a wasteful number, since it uses less digits than its factorization.

149475458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399697.

The product of its digits is 806400, while the sum is 47.

The square root of 149475458 is about 12226.0156224340. The cubic root of 149475458 is about 530.7092178583.

The spelling of 149475458 in words is "one hundred forty-nine million, four hundred seventy-five thousand, four hundred fifty-eight".