45544542451 has 4 divisors (see below), whose sum is σ = 45962382400. Its totient is φ = 45126702504.

The previous prime is 45544542443. The next prime is 45544542469. The reversal of 45544542451 is 15424544554.

45544542451 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.

It is a cyclic number.

It is not a de Polignac number, because 45544542451 - 2³ = 45544542443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45544542398 and 45544542407.

It is not an unprimeable number, because it can be changed into a prime (45544542151) 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, 208919811 + ... + 208920028.

It is an arithmetic number, because the mean of its divisors is an integer number (11490595600).

Almost surely, 2^45544542451 is an apocalyptic number.

45544542451 is a deficient number, since it is larger than the sum of its proper divisors (417839949).

45544542451 is a wasteful number, since it uses less digits than its factorization.

45544542451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417839948.

The product of its digits is 1280000, while the sum is 43.

The spelling of 45544542451 in words is "forty-five billion, five hundred forty-four million, five hundred forty-two thousand, four hundred fifty-one".