5145644526 has 32 divisors (see below), whose sum is σ = 11417155200. Its totient is φ = 1532856480.

The previous prime is 5145644519. The next prime is 5145644527. The reversal of 5145644526 is 6254465415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145644527) 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, 656821 + ... + 664608.

It is an arithmetic number, because the mean of its divisors is an integer number (356786100).

Almost surely, 2^5145644526 is an apocalyptic number.

5145644526 is an abundant number, since it is smaller than the sum of its proper divisors (6271510674).

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

5145644526 is a wasteful number, since it uses less digits than its factorization.

5145644526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321504.

The product of its digits is 576000, while the sum is 42.

The square root of 5145644526 is about 71733.1480279515. The cubic root of 5145644526 is about 1726.4205369036.

The spelling of 5145644526 in words is "five billion, one hundred forty-five million, six hundred forty-four thousand, five hundred twenty-six".