2045256107 has 4 divisors (see below), whose sum is σ = 2045849496. Its totient is φ = 2044662720.

The previous prime is 2045256097. The next prime is 2045256119. The reversal of 2045256107 is 7016525402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045256107 - 2⁴ = 2045256091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045256307) 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, 291494 + ... + 298427.

It is an arithmetic number, because the mean of its divisors is an integer number (511462374).

Almost surely, 2^2045256107 is an apocalyptic number.

2045256107 is a deficient number, since it is larger than the sum of its proper divisors (593389).

2045256107 is an equidigital number, since it uses as much as digits as its factorization.

2045256107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593388.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2045256107 is about 45224.5078137949. The cubic root of 2045256107 is about 1269.3534450500.

The spelling of 2045256107 in words is "two billion, forty-five million, two hundred fifty-six thousand, one hundred seven".