155752 has 8 divisors (see below), whose sum is σ = 292050. Its totient is φ = 77872.

The previous prime is 155747. The next prime is 155773. The reversal of 155752 is 257551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 139876 + 15876 = 374^2 + 126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

155752 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9727 + ... + 9742.

2¹⁵⁵⁷⁵² is an apocalyptic number.

It is an amenable number.

155752 is a deficient number, since it is larger than the sum of its proper divisors (136298).

155752 is a wasteful number, since it uses less digits than its factorization.

155752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475 (or 19471 counting only the distinct ones).

The product of its digits is 1750, while the sum is 25.

The square root of 155752 is about 394.6542790849. The cubic root of 155752 is about 53.8035845651.

The spelling of 155752 in words is "one hundred fifty-five thousand, seven hundred fifty-two".