149552 has 20 divisors (see below), whose sum is σ = 312480. Its totient is φ = 68928.

The previous prime is 149551. The next prime is 149561. The reversal of 149552 is 255941.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152 + ... + 567.

It is an arithmetic number, because the mean of its divisors is an integer number (15624).

2¹⁴⁹⁵⁵² is an apocalyptic number.

It is an amenable number.

149552 is an abundant number, since it is smaller than the sum of its proper divisors (162928).

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

149552 is a wasteful number, since it uses less digits than its factorization.

149552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 734 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 149552 is about 386.7195366154. The cubic root of 149552 is about 53.0799789278.

The spelling of 149552 in words is "one hundred forty-nine thousand, five hundred fifty-two".