2544142065 has 16 divisors (see below), whose sum is σ = 4073064000. Its totient is φ = 1356063552.

The previous prime is 2544142061. The next prime is 2544142091. The reversal of 2544142065 is 5602414452.

2544142065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2544142065 - 2² = 2544142061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2544142061) 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, 24430 + ... + 75399.

It is an arithmetic number, because the mean of its divisors is an integer number (254566500).

Almost surely, 2^2544142065 is an apocalyptic number.

It is an amenable number.

2544142065 is a deficient number, since it is larger than the sum of its proper divisors (1528921935).

2544142065 is a wasteful number, since it uses less digits than its factorization.

2544142065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101536.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 2544142065 is about 50439.4891429324. The cubic root of 2544142065 is about 1365.1502498002.

The spelling of 2544142065 in words is "two billion, five hundred forty-four million, one hundred forty-two thousand, sixty-five".