5145233544 has 96 divisors (see below), whose sum is σ = 15215522400. Its totient is φ = 1557757440.

The previous prime is 5145233543. The next prime is 5145233567. The reversal of 5145233544 is 4453325415.

5145233544 is a `hidden beast` number, since 51 + 45 + 23 + 3 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5145233499 and 5145233508.

It is not an unprimeable number, because it can be changed into a prime (5145233543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1177107 + ... + 1181469.

It is an arithmetic number, because the mean of its divisors is an integer number (158495025).

Almost surely, 2^5145233544 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 5145233544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7607761200).

5145233544 is an abundant number, since it is smaller than the sum of its proper divisors (10070288856).

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

5145233544 is a wasteful number, since it uses less digits than its factorization.

5145233544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875 (or 5868 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 5145233544 is about 71730.2833118621. The cubic root of 5145233544 is about 1726.3745726807.

Adding to 5145233544 its reverse (4453325415), we get a palindrome (9598558959).

The spelling of 5145233544 in words is "five billion, one hundred forty-five million, two hundred thirty-three thousand, five hundred forty-four".