2257046345 has 8 divisors (see below), whose sum is σ = 2708928960. Its totient is φ = 1805321520.

The previous prime is 2257046333. The next prime is 2257046371. The reversal of 2257046345 is 5436407522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2257046345 - 2²⁶ = 2189937481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2257046299 and 2257046308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5285 + ... + 67394.

It is an arithmetic number, because the mean of its divisors is an integer number (338616120).

Almost surely, 2^2257046345 is an apocalyptic number.

It is an amenable number.

2257046345 is a deficient number, since it is larger than the sum of its proper divisors (451882615).

2257046345 is an equidigital number, since it uses as much as digits as its factorization.

2257046345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78895.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 2257046345 is about 47508.3818394186. The cubic root of 2257046345 is about 1311.7371714823.

The spelling of 2257046345 in words is "two billion, two hundred fifty-seven million, forty-six thousand, three hundred forty-five".