5145657838 has 8 divisors (see below), whose sum is σ = 7730201160. Its totient is φ = 2568924120.

The previous prime is 5145657817. The next prime is 5145657841. The reversal of 5145657838 is 8387565415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950753 + ... + 1953388.

It is an arithmetic number, because the mean of its divisors is an integer number (966275145).

Almost surely, 2^5145657838 is an apocalyptic number.

5145657838 is a deficient number, since it is larger than the sum of its proper divisors (2584543322).

5145657838 is a wasteful number, since it uses less digits than its factorization.

5145657838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904802.

The product of its digits is 4032000, while the sum is 52.

The square root of 5145657838 is about 71733.2408162353. The cubic root of 5145657838 is about 1726.4220256766.

The spelling of 5145657838 in words is "five billion, one hundred forty-five million, six hundred fifty-seven thousand, eight hundred thirty-eight".