45135278893 has 16 divisors (see below), whose sum is σ = 46613445120. Its totient is φ = 43681690800.

The previous prime is 45135278869. The next prime is 45135278939. The reversal of 45135278893 is 39887253154.

It is a cyclic number.

It is not a de Polignac number, because 45135278893 - 2⁵ = 45135278861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45135278093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11030778 + ... + 11034868.

It is an arithmetic number, because the mean of its divisors is an integer number (2913340320).

Almost surely, 2^45135278893 is an apocalyptic number.

It is an amenable number.

45135278893 is a deficient number, since it is larger than the sum of its proper divisors (1478166227).

45135278893 is a wasteful number, since it uses less digits than its factorization.

45135278893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008.

The product of its digits is 7257600, while the sum is 55.

The spelling of 45135278893 in words is "forty-five billion, one hundred thirty-five million, two hundred seventy-eight thousand, eight hundred ninety-three".