5142540144 has 80 divisors (see below), whose sum is σ = 15266800640. Its totient is φ = 1461162240.

The previous prime is 5142540119. The next prime is 5142540149. The reversal of 5142540144 is 4410452415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142540149) 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, 18537 + ... + 103095.

It is an arithmetic number, because the mean of its divisors is an integer number (190835008).

Almost surely, 2^5142540144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5142540144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7633400320).

5142540144 is an abundant number, since it is smaller than the sum of its proper divisors (10124260496).

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

5142540144 is a wasteful number, since it uses less digits than its factorization.

5142540144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84758 (or 84752 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 5142540144 is about 71711.5063570694. The cubic root of 5142540144 is about 1726.0732822518.

Adding to 5142540144 its reverse (4410452415), we get a palindrome (9552992559).

The spelling of 5142540144 in words is "five billion, one hundred forty-two million, five hundred forty thousand, one hundred forty-four".