155258 has 8 divisors (see below), whose sum is σ = 234900. Its totient is φ = 76960.

The previous prime is 155251. The next prime is 155269. The reversal of 155258 is 852551.

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 16129 = 373^2 + 127^2 .

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

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 155258.

It is not an unprimeable number, because it can be changed into a prime (155251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 558.

2¹⁵⁵²⁵⁸ is an apocalyptic number.

155258 is a deficient number, since it is larger than the sum of its proper divisors (79642).

155258 is a wasteful number, since it uses less digits than its factorization.

155258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its digits is 2000, while the sum is 26.

The square root of 155258 is about 394.0279177926. The cubic root of 155258 is about 53.7466412179.

The spelling of 155258 in words is "one hundred fifty-five thousand, two hundred fifty-eight".