45723042032 has 20 divisors (see below), whose sum is σ = 88737802560. Its totient is φ = 22822963968.

The previous prime is 45723042023. The next prime is 45723042047. The reversal of 45723042032 is 23024032754.

It is a self number, because there is not a number n which added to its sum of digits gives 45723042032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400032 + ... + 2419007.

It is an arithmetic number, because the mean of its divisors is an integer number (4436890128).

Almost surely, 2^45723042032 is an apocalyptic number.

It is an amenable number.

45723042032 is a deficient number, since it is larger than the sum of its proper divisors (43014760528).

45723042032 is a wasteful number, since it uses less digits than its factorization.

45723042032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819640 (or 4819634 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

Adding to 45723042032 its reverse (23024032754), we get a palindrome (68747074786).

The spelling of 45723042032 in words is "forty-five billion, seven hundred twenty-three million, forty-two thousand, thirty-two".