149553152 has 72 divisors (see below), whose sum is σ = 343931616. Its totient is φ = 63700992.

The previous prime is 149553143. The next prime is 149553163. The reversal of 149553152 is 251355941.

It is a super-2 number, since 2×149553152² = 44732290546270208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917423 + ... + 917585.

It is an arithmetic number, because the mean of its divisors is an integer number (4776828).

Almost surely, 2^149553152 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 149553152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171965808).

149553152 is an abundant number, since it is smaller than the sum of its proper divisors (194378464).

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

149553152 is an frugal number, since it uses more digits than its factorization.

149553152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 172 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

The square root of 149553152 is about 12229.1926143961. The cubic root of 149553152 is about 530.8011521924.

The spelling of 149553152 in words is "one hundred forty-nine million, five hundred fifty-three thousand, one hundred fifty-two".