149055018 has 32 divisors (see below), whose sum is σ = 349908864. Its totient is φ = 41435712.

The previous prime is 149054999. The next prime is 149055047. The reversal of 149055018 is 810550941.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149055018.

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, 46405 + ... + 49512.

It is an arithmetic number, because the mean of its divisors is an integer number (10934652).

Almost surely, 2^149055018 is an apocalyptic number.

149055018 is an abundant number, since it is smaller than the sum of its proper divisors (200853846).

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

149055018 is a wasteful number, since it uses less digits than its factorization.

149055018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95966.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 149055018 is about 12208.8090328254. The cubic root of 149055018 is about 530.2111630388.

The spelling of 149055018 in words is "one hundred forty-nine million, fifty-five thousand, eighteen".