5145775320 has 128 divisors (see below), whose sum is σ = 18571276800. Its totient is φ = 1114269696.

The previous prime is 5145775309. The next prime is 5145775337. The reversal of 5145775320 is 235775415.

It is a happy number.

It is a super-2 number, since 2×5145775320² = 52958007287842204800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145249 + ... + 177168.

It is an arithmetic number, because the mean of its divisors is an integer number (145088100).

Almost surely, 2^5145775320 is an apocalyptic number.

It is an amenable number.

5145775320 is an abundant number, since it is smaller than the sum of its proper divisors (13425501480).

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

5145775320 is a wasteful number, since it uses less digits than its factorization.

5145775320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322457 (or 322453 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 5145775320 is about 71734.0596927289. The cubic root of 5145775320 is about 1726.4351643899.

The spelling of 5145775320 in words is "five billion, one hundred forty-five million, seven hundred seventy-five thousand, three hundred twenty".