149998684 has 48 divisors (see below), whose sum is σ = 305786880. Its totient is φ = 63624960.

The previous prime is 149998669. The next prime is 149998687. The reversal of 149998684 is 486899941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149998687) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 94207 + ... + 95785.

It is an arithmetic number, because the mean of its divisors is an integer number (6370560).

Almost surely, 2^149998684 is an apocalyptic number.

It is an amenable number.

149998684 is an abundant number, since it is smaller than the sum of its proper divisors (155788196).

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

149998684 is a wasteful number, since it uses less digits than its factorization.

149998684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1736 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 58.

The square root of 149998684 is about 12247.3949883230. The cubic root of 149998684 is about 531.3277307438.

The spelling of 149998684 in words is "one hundred forty-nine million, nine hundred ninety-eight thousand, six hundred eighty-four".