2545445452 has 24 divisors (see below), whose sum is σ = 4862187792. Its totient is φ = 1156377600.

The previous prime is 2545445431. The next prime is 2545445453.

2545445452 is nontrivially palindromic in base 10.

2545445452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2545445453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69052 + ... + 99292.

It is an arithmetic number, because the mean of its divisors is an integer number (202591158).

Almost surely, 2^2545445452 is an apocalyptic number.

2545445452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2545445452 is a deficient number, since it is larger than the sum of its proper divisors (2316742340).

2545445452 is a wasteful number, since it uses less digits than its factorization.

2545445452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32169 (or 32167 counting only the distinct ones).

The product of its digits is 640000, while the sum is 40.

The square root of 2545445452 is about 50452.4077918983. The cubic root of 2545445452 is about 1365.3833362757.

The spelling of 2545445452 in words is "two billion, five hundred forty-five million, four hundred forty-five thousand, four hundred fifty-two".