149534418 has 32 divisors (see below), whose sum is σ = 329935680. Its totient is φ = 44802560.

The previous prime is 149534387. The next prime is 149534443. The reversal of 149534418 is 814435941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6855 + ... + 18602.

It is an arithmetic number, because the mean of its divisors is an integer number (10310490).

Almost surely, 2^149534418 is an apocalyptic number.

149534418 is an abundant number, since it is smaller than the sum of its proper divisors (180401262).

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

149534418 is a wasteful number, since it uses less digits than its factorization.

149534418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25562.

The product of its digits is 69120, while the sum is 39.

The square root of 149534418 is about 12228.4266363257. The cubic root of 149534418 is about 530.7789873992.

The spelling of 149534418 in words is "one hundred forty-nine million, five hundred thirty-four thousand, four hundred eighteen".