149755632 has 60 divisors (see below), whose sum is σ = 418939704. Its totient is φ = 46076160.

The previous prime is 149755621. The next prime is 149755633. The reversal of 149755632 is 236557941.

149755632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149755633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1119 + ... + 17342.

Almost surely, 2^149755632 is an apocalyptic number.

149755632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149755632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209469852).

149755632 is an abundant number, since it is smaller than the sum of its proper divisors (269184072).

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

149755632 is a wasteful number, since it uses less digits than its factorization.

149755632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498 (or 18479 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 149755632 is about 12237.4683656384. The cubic root of 149755632 is about 531.0405947096.

The spelling of 149755632 in words is "one hundred forty-nine million, seven hundred fifty-five thousand, six hundred thirty-two".