149746688 has 88 divisors (see below), whose sum is σ = 368656512. Its totient is φ = 59203584.

The previous prime is 149746687. The next prime is 149746711. The reversal of 149746688 is 886647941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149746687) by changing a digit.

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, 92381 + ... + 93987.

Almost surely, 2^149746688 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 149746688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184328256).

149746688 is an abundant number, since it is smaller than the sum of its proper divisors (218909824).

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

149746688 is a wasteful number, since it uses less digits than its factorization.

149746688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1629 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 149746688 is about 12237.1029251208. The cubic root of 149746688 is about 531.0300225494.

The spelling of 149746688 in words is "one hundred forty-nine million, seven hundred forty-six thousand, six hundred eighty-eight".