5145144530 has 16 divisors (see below), whose sum is σ = 9487145304. Its totient is φ = 2007861120.

The previous prime is 5145144527. The next prime is 5145144581. The reversal of 5145144530 is 354415415.

It can be written as a sum of positive squares in 4 ways, for example, as 3516134209 + 1629010321 = 59297^2 + 40361^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6274157 + ... + 6274976.

Almost surely, 2^5145144530 is an apocalyptic number.

5145144530 is a deficient number, since it is larger than the sum of its proper divisors (4342000774).

5145144530 is a wasteful number, since it uses less digits than its factorization.

5145144530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12549181.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 5145144530 is about 71729.6628320530. The cubic root of 5145144530 is about 1726.3646170333.

Adding to 5145144530 its reverse (354415415), we get a palindrome (5499559945).

The spelling of 5145144530 in words is "five billion, one hundred forty-five million, one hundred forty-four thousand, five hundred thirty".