45544523771 has 4 divisors (see below), whose sum is σ = 45545136600. Its totient is φ = 45543910944.

The previous prime is 45544523767. The next prime is 45544523789. The reversal of 45544523771 is 17732544554.

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 45544523771 - 2² = 45544523767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45544523741) 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, 176606 + ... + 349683.

It is an arithmetic number, because the mean of its divisors is an integer number (11386284150).

Almost surely, 2^45544523771 is an apocalyptic number.

45544523771 is a deficient number, since it is larger than the sum of its proper divisors (612829).

45544523771 is an equidigital number, since it uses as much as digits as its factorization.

45544523771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612828.

The product of its digits is 2352000, while the sum is 47.

The spelling of 45544523771 in words is "forty-five billion, five hundred forty-four million, five hundred twenty-three thousand, seven hundred seventy-one".