2545345404 has 48 divisors (see below), whose sum is σ = 7541766400. Its totient is φ = 727241328.

The previous prime is 2545345351. The next prime is 2545345409. The reversal of 2545345404 is 4045435452.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545345409) 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, 1682674 + ... + 1684185.

Almost surely, 2^2545345404 is an apocalyptic number.

It is an amenable number.

2545345404 is an abundant number, since it is smaller than the sum of its proper divisors (4996420996).

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

2545345404 is a wasteful number, since it uses less digits than its factorization.

2545345404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366879 (or 3366871 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The square root of 2545345404 is about 50451.4162734804. The cubic root of 2545345404 is about 1365.3654473751.

The spelling of 2545345404 in words is "two billion, five hundred forty-five million, three hundred forty-five thousand, four hundred four".