155241113 has 4 divisors (see below), whose sum is σ = 155417808. Its totient is φ = 155064420.

The previous prime is 155241109. The next prime is 155241131. The reversal of 155241113 is 311142551.

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.

It is a cyclic number.

It is not a de Polignac number, because 155241113 - 2² = 155241109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155241103) 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, 87023 + ... + 88788.

It is an arithmetic number, because the mean of its divisors is an integer number (38854452).

Almost surely, 2^155241113 is an apocalyptic number.

It is an amenable number.

155241113 is a deficient number, since it is larger than the sum of its proper divisors (176695).

155241113 is an equidigital number, since it uses as much as digits as its factorization.

155241113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176694.

The product of its digits is 600, while the sum is 23.

The square root of 155241113 is about 12459.5791662480. The cubic root of 155241113 is about 537.4469252083.

Adding to 155241113 its reverse (311142551), we get a palindrome (466383664).

The spelling of 155241113 in words is "one hundred fifty-five million, two hundred forty-one thousand, one hundred thirteen".