2258810145 has 128 divisors (see below), whose sum is σ = 4463424000. Its totient is φ = 1092123648.

The previous prime is 2258810137. The next prime is 2258810201. The reversal of 2258810145 is 5410188522.

2258810145 is a `hidden beast` number, since 22 + 588 + 10 + 1 + 45 = 666.

It is not a de Polignac number, because 2258810145 - 2³ = 2258810137 is a prime.

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 127 ways as a sum of consecutive naturals, for example, 5390746 + ... + 5391164.

It is an arithmetic number, because the mean of its divisors is an integer number (34870500).

Almost surely, 2^2258810145 is an apocalyptic number.

It is an amenable number.

2258810145 is a deficient number, since it is larger than the sum of its proper divisors (2204613855).

2258810145 is an equidigital number, since it uses as much as digits as its factorization.

2258810145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 2258810145 is about 47526.9412544085. The cubic root of 2258810145 is about 1312.0787742166.

Adding to 2258810145 its reverse (5410188522), we get a palindrome (7668998667).

The spelling of 2258810145 in words is "two billion, two hundred fifty-eight million, eight hundred ten thousand, one hundred forty-five".