5145142530 has 32 divisors (see below), whose sum is σ = 13470919488. Its totient is φ = 1247307200.

The previous prime is 5145142517. The next prime is 5145142547. The reversal of 5145142530 is 352415415.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7795341 + ... + 7796000.

It is an arithmetic number, because the mean of its divisors is an integer number (420966234).

Almost surely, 2^5145142530 is an apocalyptic number.

5145142530 is an abundant number, since it is smaller than the sum of its proper divisors (8325776958).

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

5145142530 is a wasteful number, since it uses less digits than its factorization.

5145142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15591362.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5145142530 is about 71729.6488908178. The cubic root of 5145142530 is about 1726.3643933448.

Adding to 5145142530 its reverse (352415415), we get a palindrome (5497557945).

The spelling of 5145142530 in words is "five billion, one hundred forty-five million, one hundred forty-two thousand, five hundred thirty".