2545251144 has 32 divisors (see below), whose sum is σ = 6364515840. Its totient is φ = 848232000.

The previous prime is 2545251133. The next prime is 2545251173. The reversal of 2545251144 is 4411525452.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142809 + ... + 159639.

It is an arithmetic number, because the mean of its divisors is an integer number (198891120).

Almost surely, 2^2545251144 is an apocalyptic number.

2545251144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2545251144 is an abundant number, since it is smaller than the sum of its proper divisors (3819264696).

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

2545251144 is a wasteful number, since it uses less digits than its factorization.

2545251144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23141 (or 23137 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 2545251144 is about 50450.4820987867. The cubic root of 2545251144 is about 1365.3485929585.

Adding to 2545251144 its reverse (4411525452), we get a palindrome (6956776596).

The spelling of 2545251144 in words is "two billion, five hundred forty-five million, two hundred fifty-one thousand, one hundred forty-four".