149802418 has 8 divisors (see below), whose sum is σ = 230776812. Its totient is φ = 72876816.

The previous prime is 149802409. The next prime is 149802437. The reversal of 149802418 is 814208941.

It can be written as a sum of positive squares in 2 ways, for example, as 149401729 + 400689 = 12223^2 + 633^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012105 + ... + 1012252.

Almost surely, 2^149802418 is an apocalyptic number.

149802418 is a deficient number, since it is larger than the sum of its proper divisors (80974394).

149802418 is a wasteful number, since it uses less digits than its factorization.

149802418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024396.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 149802418 is about 12239.3798045489. The cubic root of 149802418 is about 531.0958907454.

The spelling of 149802418 in words is "one hundred forty-nine million, eight hundred two thousand, four hundred eighteen".