5145436224 has 70 divisors (see below), whose sum is σ = 15252700254. Its totient is φ = 1715143680.

The previous prime is 5145436217. The next prime is 5145436229. The reversal of 5145436224 is 4226345415.

5145436224 is a `hidden beast` number, since 51 + 4 + 543 + 62 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4531982400 + 613453824 = 67320^2 + 24768^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5145436229) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 491097 + ... + 501464.

Almost surely, 2^5145436224 is an apocalyptic number.

5145436224 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5145436224 is an abundant number, since it is smaller than the sum of its proper divisors (10107264030).

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

5145436224 is an equidigital number, since it uses as much as digits as its factorization.

5145436224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992585 (or 992566 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 5145436224 is about 71731.6960903616. The cubic root of 5145436224 is about 1726.3972407158.

It can be divided in two parts, 51454 and 36224, that added together give a palindrome (87678).

The spelling of 5145436224 in words is "five billion, one hundred forty-five million, four hundred thirty-six thousand, two hundred twenty-four".