155245113 has 8 divisors (see below), whose sum is σ = 229992800. Its totient is φ = 103496724.

The previous prime is 155245049. The next prime is 155245127. The reversal of 155245113 is 311542551.

It is not a de Polignac number, because 155245113 - 2⁶ = 155245049 is a prime.

It is a super-2 number, since 2×155245113² = 48202090220765538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5749819 = 155245113 / (1 + 5 + 5 + 2 + 4 + 5 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155245213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2874883 + ... + 2874936.

It is an arithmetic number, because the mean of its divisors is an integer number (28749100).

Almost surely, 2^155245113 is an apocalyptic number.

It is an amenable number.

155245113 is a deficient number, since it is larger than the sum of its proper divisors (74747687).

155245113 is an equidigital number, since it uses as much as digits as its factorization.

155245113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749828 (or 5749822 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 155245113 is about 12459.7396842791. The cubic root of 155245113 is about 537.4515411874.

Adding to 155245113 its reverse (311542551), we get a palindrome (466787664).

It can be divided in two parts, 1552 and 45113, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 155245113 in words is "one hundred fifty-five million, two hundred forty-five thousand, one hundred thirteen".