45858761857 has 4 divisors (see below), whose sum is σ = 45863638996. Its totient is φ = 45853884720.

The previous prime is 45858761833. The next prime is 45858761891. The reversal of 45858761857 is 75816785854.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16269257601 + 29589504256 = 127551^2 + 172016^2 .

It is a cyclic number.

It is not a de Polignac number, because 45858761857 - 2¹⁵ = 45858729089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45858761827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2424438 + ... + 2443279.

It is an arithmetic number, because the mean of its divisors is an integer number (11465909749).

Almost surely, 2^45858761857 is an apocalyptic number.

It is an amenable number.

45858761857 is a deficient number, since it is larger than the sum of its proper divisors (4877139).

45858761857 is an equidigital number, since it uses as much as digits as its factorization.

45858761857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877138.

The product of its digits is 75264000, while the sum is 64.

The spelling of 45858761857 in words is "forty-five billion, eight hundred fifty-eight million, seven hundred sixty-one thousand, eight hundred fifty-seven".