45421522023 has 8 divisors (see below), whose sum is σ = 60694552048. Its totient is φ = 30214753344.

The previous prime is 45421522019. The next prime is 45421522039. The reversal of 45421522023 is 32022512454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45421522023 - 2² = 45421522019 is a prime.

It is a super-2 number, since 2×45421522023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45421522043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16563736 + ... + 16566477.

It is an arithmetic number, because the mean of its divisors is an integer number (7586819006).

Almost surely, 2^45421522023 is an apocalyptic number.

45421522023 is a deficient number, since it is larger than the sum of its proper divisors (15273030025).

45421522023 is a wasteful number, since it uses less digits than its factorization.

45421522023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33130673.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 45421522023 in words is "forty-five billion, four hundred twenty-one million, five hundred twenty-two thousand, twenty-three".