2545415445 has 16 divisors (see below), whose sum is σ = 4073630400. Its totient is φ = 1357233024.

The previous prime is 2545415419. The next prime is 2545415447. The reversal of 2545415445 is 5445145452.

It is not a de Polignac number, because 2545415445 - 2¹⁵ = 2545382677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545415447) 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, 54081 + ... + 89529.

It is an arithmetic number, because the mean of its divisors is an integer number (254601900).

Almost surely, 2^2545415445 is an apocalyptic number.

It is an amenable number.

2545415445 is a deficient number, since it is larger than the sum of its proper divisors (1528214955).

2545415445 is a wasteful number, since it uses less digits than its factorization.

2545415445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40244.

The product of its digits is 320000, while the sum is 39.

The square root of 2545415445 is about 50452.1104117558. The cubic root of 2545415445 is about 1365.3779709779.

The spelling of 2545415445 in words is "two billion, five hundred forty-five million, four hundred fifteen thousand, four hundred forty-five".