5144540 has 24 divisors (see below), whose sum is σ = 11439792. Its totient is φ = 1936640.

The previous prime is 5144539. The next prime is 5144549. The reversal of 5144540 is 454415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7226 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (476658).

Almost surely, 2^5144540 is an apocalyptic number.

It is an amenable number.

5144540 is an abundant number, since it is smaller than the sum of its proper divisors (6295252).

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

5144540 is a wasteful number, since it uses less digits than its factorization.

5144540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15157 (or 15155 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 5144540 is about 2268.1578428319. The cubic root of 5144540 is about 172.6297001176.

Adding to 5144540 its reverse (454415), we get a palindrome (5598955).

The spelling of 5144540 in words is "five million, one hundred forty-four thousand, five hundred forty".