149943552 has 72 divisors (see below), whose sum is σ = 435372000. Its totient is φ = 45434880.

The previous prime is 149943529. The next prime is 149943569. The reversal of 149943552 is 255349941.

149943552 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427 + ... + 17322.

Almost surely, 2^149943552 is an apocalyptic number.

149943552 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 149943552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217686000).

149943552 is an abundant number, since it is smaller than the sum of its proper divisors (285428448).

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

149943552 is a wasteful number, since it uses less digits than its factorization.

149943552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17779 (or 17765 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 149943552 is about 12245.1440171196. The cubic root of 149943552 is about 531.2626262835.

The spelling of 149943552 in words is "one hundred forty-nine million, nine hundred forty-three thousand, five hundred fifty-two".