45245522423 has 4 divisors (see below), whose sum is σ = 47907023760. Its totient is φ = 42584021088.

The previous prime is 45245522419. The next prime is 45245522447. The reversal of 45245522423 is 32422554254.

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 45245522423 - 2² = 45245522419 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 (45245522923) 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, 1330750643 + ... + 1330750676.

It is an arithmetic number, because the mean of its divisors is an integer number (11976755940).

Almost surely, 2^45245522423 is an apocalyptic number.

45245522423 is a deficient number, since it is larger than the sum of its proper divisors (2661501337).

45245522423 is a wasteful number, since it uses less digits than its factorization.

45245522423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661501336.

The product of its digits is 384000, while the sum is 38.

The spelling of 45245522423 in words is "forty-five billion, two hundred forty-five million, five hundred twenty-two thousand, four hundred twenty-three".