45192789 has 8 divisors (see below), whose sum is σ = 66952320. Its totient is φ = 30128508.

The previous prime is 45192787. The next prime is 45192809. The reversal of 45192789 is 98729154.

45192789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45192789 - 2¹ = 45192787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45192781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836877 + ... + 836930.

It is an arithmetic number, because the mean of its divisors is an integer number (8369040).

Almost surely, 2^45192789 is an apocalyptic number.

It is an amenable number.

45192789 is a deficient number, since it is larger than the sum of its proper divisors (21759531).

45192789 is a wasteful number, since it uses less digits than its factorization.

45192789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673816 (or 1673810 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 45192789 is about 6722.5582184166. The cubic root of 45192789 is about 356.1965548634.

The spelling of 45192789 in words is "forty-five million, one hundred ninety-two thousand, seven hundred eighty-nine".