45020534623 has 4 divisors (see below), whose sum is σ = 45024286840. Its totient is φ = 45016782408.

The previous prime is 45020534621. The next prime is 45020534639. The reversal of 45020534623 is 32643502054.

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 45020534623 - 2¹ = 45020534621 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 (45020534621) 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, 1858053 + ... + 1882126.

It is an arithmetic number, because the mean of its divisors is an integer number (11256071710).

Almost surely, 2^45020534623 is an apocalyptic number.

45020534623 is a deficient number, since it is larger than the sum of its proper divisors (3752217).

45020534623 is a wasteful number, since it uses less digits than its factorization.

45020534623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752216.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 45020534623 in words is "forty-five billion, twenty million, five hundred thirty-four thousand, six hundred twenty-three".