2257365145 has 32 divisors (see below), whose sum is σ = 3303058176. Its totient is φ = 1445683200.

The previous prime is 2257365113. The next prime is 2257365163. The reversal of 2257365145 is 5415637522.

It is not a de Polignac number, because 2257365145 - 2⁵ = 2257365113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2257365098 and 2257365107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63465 + ... + 92425.

It is an arithmetic number, because the mean of its divisors is an integer number (103220568).

Almost surely, 2^2257365145 is an apocalyptic number.

It is an amenable number.

2257365145 is a deficient number, since it is larger than the sum of its proper divisors (1045693031).

2257365145 is a wasteful number, since it uses less digits than its factorization.

2257365145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29121.

The product of its digits is 252000, while the sum is 40.

The square root of 2257365145 is about 47511.7369183658. The cubic root of 2257365145 is about 1311.7989280229.

The spelling of 2257365145 in words is "two billion, two hundred fifty-seven million, three hundred sixty-five thousand, one hundred forty-five".