149059818 has 32 divisors (see below), whose sum is σ = 332267520. Its totient is φ = 49533120.

The previous prime is 149059793. The next prime is 149059831. The reversal of 149059818 is 818950941.

149059818 is a `hidden beast` number, since 1 + 49 + 0 + 598 + 18 = 666.

149059818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 14103 + ... + 22293.

It is an arithmetic number, because the mean of its divisors is an integer number (10383360).

Almost surely, 2^149059818 is an apocalyptic number.

149059818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149059818 is an abundant number, since it is smaller than the sum of its proper divisors (183207702).

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

149059818 is a wasteful number, since it uses less digits than its factorization.

149059818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539 (or 8533 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 149059818 is about 12209.0056106138. The cubic root of 149059818 is about 530.2168544188.

The spelling of 149059818 in words is "one hundred forty-nine million, fifty-nine thousand, eight hundred eighteen".