155882 has 8 divisors (see below), whose sum is σ = 239652. Its totient is φ = 76000.

The previous prime is 155863. The next prime is 155887. The reversal of 155882 is 288551.

It can be written as a sum of positive squares in 2 ways, for example, as 116281 + 39601 = 341^2 + 199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (155887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869 + ... + 1032.

2¹⁵⁵⁸⁸² is an apocalyptic number.

155882 is a deficient number, since it is larger than the sum of its proper divisors (83770).

155882 is a wasteful number, since it uses less digits than its factorization.

155882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its digits is 3200, while the sum is 29.

The square root of 155882 is about 394.8189458473. The cubic root of 155882 is about 53.8185496397.

The spelling of 155882 in words is "one hundred fifty-five thousand, eight hundred eighty-two".