5145455638 has 8 divisors (see below), whose sum is σ = 7906431960. Its totient is φ = 2509978320.

The previous prime is 5145455629. The next prime is 5145455641. The reversal of 5145455638 is 8365545415.

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, 31374648 + ... + 31374811.

It is an arithmetic number, because the mean of its divisors is an integer number (988303995).

Almost surely, 2^5145455638 is an apocalyptic number.

5145455638 is a deficient number, since it is larger than the sum of its proper divisors (2760976322).

5145455638 is a wasteful number, since it uses less digits than its factorization.

5145455638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62749502.

The product of its digits is 1440000, while the sum is 46.

The square root of 5145455638 is about 71731.8314139546. The cubic root of 5145455638 is about 1726.3994119754.

The spelling of 5145455638 in words is "five billion, one hundred forty-five million, four hundred fifty-five thousand, six hundred thirty-eight".