149214818 has 8 divisors (see below), whose sum is σ = 224808912. Its totient is φ = 74278516.

The previous prime is 149214803. The next prime is 149214839. The reversal of 149214818 is 818412941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163880 + ... + 164787.

It is an arithmetic number, because the mean of its divisors is an integer number (28101114).

Almost surely, 2^149214818 is an apocalyptic number.

149214818 is a deficient number, since it is larger than the sum of its proper divisors (75594094).

149214818 is a wasteful number, since it uses less digits than its factorization.

149214818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328896.

The product of its digits is 18432, while the sum is 38.

The square root of 149214818 is about 12215.3517346002. The cubic root of 149214818 is about 530.4005729280.

The spelling of 149214818 in words is "one hundred forty-nine million, two hundred fourteen thousand, eight hundred eighteen".