149998912 has 56 divisors (see below), whose sum is σ = 343302336. Its totient is φ = 63694848.

The previous prime is 149998903. The next prime is 149998967. The reversal of 149998912 is 219899941.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 149998912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49143 + ... + 52105.

Almost surely, 2^149998912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149998912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171651168).

149998912 is an abundant number, since it is smaller than the sum of its proper divisors (193303424).

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

149998912 is a wasteful number, since it uses less digits than its factorization.

149998912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095 (or 3085 counting only the distinct ones).

The product of its digits is 419904, while the sum is 52.

The square root of 149998912 is about 12247.4042964213. The cubic root of 149998912 is about 531.3279999521.

The spelling of 149998912 in words is "one hundred forty-nine million, nine hundred ninety-eight thousand, nine hundred twelve".