149694818 has 32 divisors (see below), whose sum is σ = 277173120. Its totient is φ = 59045760.

The previous prime is 149694791. The next prime is 149694821. The reversal of 149694818 is 818496941.

It is a Curzon number.

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, 73433 + ... + 75443.

It is an arithmetic number, because the mean of its divisors is an integer number (8661660).

Almost surely, 2^149694818 is an apocalyptic number.

149694818 is a deficient number, since it is larger than the sum of its proper divisors (127478302).

149694818 is a wasteful number, since it uses less digits than its factorization.

149694818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442.

The product of its digits is 497664, while the sum is 50.

The square root of 149694818 is about 12234.9833673773. The cubic root of 149694818 is about 530.9687018649.

The spelling of 149694818 in words is "one hundred forty-nine million, six hundred ninety-four thousand, eight hundred eighteen".