155258113 has 4 divisors (see below), whose sum is σ = 155312560. Its totient is φ = 155203668.

The previous prime is 155258071. The next prime is 155258123. The reversal of 155258113 is 311852551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311852551 = 797 ⋅391283.

It is a cyclic number.

It is not a de Polignac number, because 155258113 - 2⁹ = 155257601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155258123) 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, 22695 + ... + 28732.

It is an arithmetic number, because the mean of its divisors is an integer number (38828140).

Almost surely, 2^155258113 is an apocalyptic number.

It is an amenable number.

155258113 is a deficient number, since it is larger than the sum of its proper divisors (54447).

155258113 is an equidigital number, since it uses as much as digits as its factorization.

155258113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54446.

The product of its digits is 6000, while the sum is 31.

The square root of 155258113 is about 12460.2613535993. The cubic root of 155258113 is about 537.4665425722.

The spelling of 155258113 in words is "one hundred fifty-five million, two hundred fifty-eight thousand, one hundred thirteen".