45158989321 has 4 divisors (see below), whose sum is σ = 46615730944. Its totient is φ = 43702247700.

The previous prime is 45158989289. The next prime is 45158989331. The reversal of 45158989321 is 12398985154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45158989321 - 2⁵ = 45158989289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45158989331) 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 3 ways as a sum of consecutive naturals, for example, 728370765 + ... + 728370826.

It is an arithmetic number, because the mean of its divisors is an integer number (11653932736).

Almost surely, 2^45158989321 is an apocalyptic number.

It is an amenable number.

45158989321 is a deficient number, since it is larger than the sum of its proper divisors (1456741623).

45158989321 is a wasteful number, since it uses less digits than its factorization.

45158989321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456741622.

The product of its digits is 3110400, while the sum is 55.

The spelling of 45158989321 in words is "forty-five billion, one hundred fifty-eight million, nine hundred eighty-nine thousand, three hundred twenty-one".