45166020023 has 4 divisors (see below), whose sum is σ = 47129760048. Its totient is φ = 43202280000.

The previous prime is 45166020013. The next prime is 45166020071. The reversal of 45166020023 is 32002066154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45166020023 - 2⁴ = 45166020007 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 (45166020013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981869978 + ... + 981870023.

It is an arithmetic number, because the mean of its divisors is an integer number (11782440012).

Almost surely, 2^45166020023 is an apocalyptic number.

45166020023 is a deficient number, since it is larger than the sum of its proper divisors (1963740025).

45166020023 is a wasteful number, since it uses less digits than its factorization.

45166020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963740024.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 45166020023 its reverse (32002066154), we get a palindrome (77168086177).

The spelling of 45166020023 in words is "forty-five billion, one hundred sixty-six million, twenty thousand, twenty-three".