2545645914 has 64 divisors (see below), whose sum is σ = 6547046400. Its totient is φ = 718112304.

The previous prime is 2545645903. The next prime is 2545645931. The reversal of 2545645914 is 4195465452.

2545645914 is a `hidden beast` number, since 2 + 5 + 4 + 56 + 4 + 591 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2545645914.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12762 + ... + 72485.

It is an arithmetic number, because the mean of its divisors is an integer number (102297600).

Almost surely, 2^2545645914 is an apocalyptic number.

2545645914 is an abundant number, since it is smaller than the sum of its proper divisors (4001400486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545645914 is a wasteful number, since it uses less digits than its factorization.

2545645914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85344 (or 85338 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 2545645914 is about 50454.3943973169. The cubic root of 2545645914 is about 1365.4191781083.

The spelling of 2545645914 in words is "two billion, five hundred forty-five million, six hundred forty-five thousand, nine hundred fourteen".