149819404 has 24 divisors (see below), whose sum is σ = 309306368. Its totient is φ = 62136720.

The previous prime is 149819381. The next prime is 149819431. The reversal of 149819404 is 404918941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85434 + ... + 87169.

Almost surely, 2^149819404 is an apocalyptic number.

149819404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

149819404 is an abundant number, since it is smaller than the sum of its proper divisors (159486964).

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

149819404 is a wasteful number, since it uses less digits than its factorization.

149819404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172645 (or 172643 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 149819404 is about 12240.0736925886. The cubic root of 149819404 is about 531.1159635275.

It can be divided in two parts, 1498 and 19404, that added together give a palindrome (20902).

The spelling of 149819404 in words is "one hundred forty-nine million, eight hundred nineteen thousand, four hundred four".