5145644430 has 48 divisors (see below), whose sum is σ = 13810253184. Its totient is φ = 1327907520.

The previous prime is 5145644369. The next prime is 5145644453. The reversal of 5145644430 is 344465415.

5145644430 is a `hidden beast` number, since 5 + 1 + 4 + 5 + 644 + 4 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919369 + ... + 924948.

It is an arithmetic number, because the mean of its divisors is an integer number (287713608).

Almost surely, 2^5145644430 is an apocalyptic number.

5145644430 is an abundant number, since it is smaller than the sum of its proper divisors (8664608754).

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

5145644430 is a wasteful number, since it uses less digits than its factorization.

5145644430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844361 (or 1844358 counting only the distinct ones).

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

The square root of 5145644430 is about 71733.1473588048. The cubic root of 5145644430 is about 1726.4205261672.

The spelling of 5145644430 in words is "five billion, one hundred forty-five million, six hundred forty-four thousand, four hundred thirty".