2544056145 has 12 divisors (see below), whose sum is σ = 4409697396. Its totient is φ = 1356829920.

The previous prime is 2544056113. The next prime is 2544056147. The reversal of 2544056145 is 5416504452.

2544056145 is a `hidden beast` number, since 2 + 54 + 4 + 0 + 561 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1272991041 + 1271065104 = 35679^2 + 35652^2 .

It is not a de Polignac number, because 2544056145 - 2⁵ = 2544056113 is a prime.

It is a super-2 number, since 2×2544056145² = 12944443337824522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2544056147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 28267246 + ... + 28267335.

It is an arithmetic number, because the mean of its divisors is an integer number (367474783).

Almost surely, 2^2544056145 is an apocalyptic number.

It is an amenable number.

2544056145 is a deficient number, since it is larger than the sum of its proper divisors (1865641251).

2544056145 is a wasteful number, since it uses less digits than its factorization.

2544056145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56534592 (or 56534589 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 2544056145 is about 50438.6374221192. The cubic root of 2544056145 is about 1365.1348818128.

The spelling of 2544056145 in words is "two billion, five hundred forty-four million, fifty-six thousand, one hundred forty-five".