45455464645 has 4 divisors (see below), whose sum is σ = 54546557580. Its totient is φ = 36364371712.

The previous prime is 45455464643. The next prime is 45455464667. The reversal of 45455464645 is 54646455454.

45455464645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54646455454 = 2 ⋅27323227727.

It can be written as a sum of positive squares in 2 ways, for example, as 5615703844 + 39839760801 = 74938^2 + 199599^2 .

It is a cyclic number.

It is not a de Polignac number, because 45455464645 - 2¹ = 45455464643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45455464592 and 45455464601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45455464643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545546460 + ... + 4545546469.

It is an arithmetic number, because the mean of its divisors is an integer number (13636639395).

Almost surely, 2^45455464645 is an apocalyptic number.

It is an amenable number.

45455464645 is a deficient number, since it is larger than the sum of its proper divisors (9091092935).

45455464645 is an equidigital number, since it uses as much as digits as its factorization.

45455464645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091092934.

The product of its digits is 23040000, while the sum is 52.

The spelling of 45455464645 in words is "forty-five billion, four hundred fifty-five million, four hundred sixty-four thousand, six hundred forty-five".