5144561142 has 32 divisors (see below), whose sum is σ = 11762150400. Its totient is φ = 1469480448.

The previous prime is 5144561119. The next prime is 5144561143. The reversal of 5144561142 is 2411654415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144561143) 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, 165859 + ... + 194417.

It is an arithmetic number, because the mean of its divisors is an integer number (367567200).

Almost surely, 2^5144561142 is an apocalyptic number.

5144561142 is an abundant number, since it is smaller than the sum of its proper divisors (6617589258).

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

5144561142 is a wasteful number, since it uses less digits than its factorization.

5144561142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32860.

The product of its digits is 19200, while the sum is 33.

The square root of 5144561142 is about 71725.5961425208. The cubic root of 5144561142 is about 1726.2993659691.

The spelling of 5144561142 in words is "five billion, one hundred forty-four million, five hundred sixty-one thousand, one hundred forty-two".