45117772147 has 16 divisors (see below), whose sum is σ = 53115955200. Its totient is φ = 37518327360.

The previous prime is 45117772097. The next prime is 45117772201. The reversal of 45117772147 is 74127771154.

It is a cyclic number.

It is not a de Polignac number, because 45117772147 - 2⁷ = 45117772019 is a prime.

It is a super-2 number, since 2×45117772147² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45117772097 and 45117772106.

It is not an unprimeable number, because it can be changed into a prime (45117775147) 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, 387747 + ... + 490492.

It is an arithmetic number, because the mean of its divisors is an integer number (3319747200).

Almost surely, 2^45117772147 is an apocalyptic number.

45117772147 is a deficient number, since it is larger than the sum of its proper divisors (7998183053).

45117772147 is a wasteful number, since it uses less digits than its factorization.

45117772147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878466.

The product of its digits is 384160, while the sum is 46.

The spelling of 45117772147 in words is "forty-five billion, one hundred seventeen million, seven hundred seventy-two thousand, one hundred forty-seven".