8145883257 has 16 divisors (see below), whose sum is σ = 10929494400. Its totient is φ = 5396493312.

The previous prime is 8145883253. The next prime is 8145883261. The reversal of 8145883257 is 7523885418.

It is an interprime number because it is at equal distance from previous prime (8145883253) and next prime (8145883261).

It is not a de Polignac number, because 8145883257 - 2² = 8145883253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8145883253) 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, 552619 + ... + 567167.

It is an arithmetic number, because the mean of its divisors is an integer number (683093400).

Almost surely, 2^8145883257 is an apocalyptic number.

It is an amenable number.

8145883257 is a deficient number, since it is larger than the sum of its proper divisors (2783611143).

8145883257 is a wasteful number, since it uses less digits than its factorization.

8145883257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15712.

The product of its digits is 2150400, while the sum is 51.

The square root of 8145883257 is about 90254.5470156490. The cubic root of 8145883257 is about 2012.0837821505.

The spelling of 8145883257 in words is "eight billion, one hundred forty-five million, eight hundred eighty-three thousand, two hundred fifty-seven".