5145135478 has 16 divisors (see below), whose sum is σ = 8821361664. Its totient is φ = 2204775720.

The previous prime is 5145135473. The next prime is 5145135497. The reversal of 5145135478 is 8745315415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145135473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119833 + ... + 157003.

It is an arithmetic number, because the mean of its divisors is an integer number (551335104).

Almost surely, 2^5145135478 is an apocalyptic number.

5145135478 is a deficient number, since it is larger than the sum of its proper divisors (3676226186).

5145135478 is a wasteful number, since it uses less digits than its factorization.

5145135478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47067.

The product of its digits is 336000, while the sum is 43.

The square root of 5145135478 is about 71729.5997340010. The cubic root of 5145135478 is about 1726.3636046185.

The spelling of 5145135478 in words is "five billion, one hundred forty-five million, one hundred thirty-five thousand, four hundred seventy-eight".