149399432 has 96 divisors (see below), whose sum is σ = 369633600. Its totient is φ = 55956096.

The previous prime is 149399389. The next prime is 149399477. The reversal of 149399432 is 234993941.

149399432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96053 + ... + 97595.

It is an arithmetic number, because the mean of its divisors is an integer number (3850350).

Almost surely, 2^149399432 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 149399432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184816800).

149399432 is an abundant number, since it is smaller than the sum of its proper divisors (220234168).

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

149399432 is a wasteful number, since it uses less digits than its factorization.

149399432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1584 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 149399432 is about 12222.9060374364. The cubic root of 149399432 is about 530.6192264042.

The spelling of 149399432 in words is "one hundred forty-nine million, three hundred ninety-nine thousand, four hundred thirty-two".