2255645157 has 16 divisors (see below), whose sum is σ = 3126896640. Its totient is φ = 1444777200.

The previous prime is 2255645149. The next prime is 2255645159. The reversal of 2255645157 is 7515465522.

2255645157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2255645157 - 2³ = 2255645149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255645159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74319 + ... + 100172.

It is an arithmetic number, because the mean of its divisors is an integer number (195431040).

Almost surely, 2^2255645157 is an apocalyptic number.

It is an amenable number.

2255645157 is a deficient number, since it is larger than the sum of its proper divisors (871251483).

2255645157 is a wasteful number, since it uses less digits than its factorization.

2255645157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174664.

The product of its digits is 420000, while the sum is 42.

The square root of 2255645157 is about 47493.6328048297. The cubic root of 2255645157 is about 1311.4656705057.

The spelling of 2255645157 in words is "two billion, two hundred fifty-five million, six hundred forty-five thousand, one hundred fifty-seven".