2545651143 has 48 divisors (see below), whose sum is σ = 4263168000. Its totient is φ = 1433764800.

The previous prime is 2545651123. The next prime is 2545651181. The reversal of 2545651143 is 3411565452.

2545651143 is a `hidden beast` number, since 2 + 54 + 56 + 511 + 43 = 666.

It is not a de Polignac number, because 2545651143 - 2⁶ = 2545651079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2545651098 and 2545651107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545651123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1303818 + ... + 1305768.

It is an arithmetic number, because the mean of its divisors is an integer number (88816000).

Almost surely, 2^2545651143 is an apocalyptic number.

2545651143 is a deficient number, since it is larger than the sum of its proper divisors (1717516857).

2545651143 is a wasteful number, since it uses less digits than its factorization.

2545651143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2249 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 2545651143 is about 50454.4462163643. The cubic root of 2545651143 is about 1365.4201130082.

The spelling of 2545651143 in words is "two billion, five hundred forty-five million, six hundred fifty-one thousand, one hundred forty-three".