5145438188 has 12 divisors (see below), whose sum is σ = 9823109352. Its totient is φ = 2338835520.

The previous prime is 5145438121. The next prime is 5145438217. The reversal of 5145438188 is 8818345415.

It is a super-3 number, since 3×5145438188³ (a number of 30 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58470845 + ... + 58470932.

It is an arithmetic number, because the mean of its divisors is an integer number (818592446).

Almost surely, 2^5145438188 is an apocalyptic number.

It is an amenable number.

5145438188 is a deficient number, since it is larger than the sum of its proper divisors (4677671164).

5145438188 is a wasteful number, since it uses less digits than its factorization.

5145438188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116941792 (or 116941790 counting only the distinct ones).

The product of its digits is 614400, while the sum is 47.

The square root of 5145438188 is about 71731.7097802638. The cubic root of 5145438188 is about 1726.3974603696.

The spelling of 5145438188 in words is "five billion, one hundred forty-five million, four hundred thirty-eight thousand, one hundred eighty-eight".