45783689 has 12 divisors (see below), whose sum is σ = 54700164. Its totient is φ = 38181024.

The previous prime is 45783671. The next prime is 45783697. The reversal of 45783689 is 98638754.

45783689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42471289 + 3312400 = 6517^2 + 1820^2 .

It is not a de Polignac number, because 45783689 - 2²⁰ = 44735113 is a prime.

It is a super-2 number, since 2×45783689² = 4192292356897442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45783659) 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 11 ways as a sum of consecutive naturals, for example, 10814 + ... + 14439.

It is an arithmetic number, because the mean of its divisors is an integer number (4558347).

Almost surely, 2^45783689 is an apocalyptic number.

45783689 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45783689 is a deficient number, since it is larger than the sum of its proper divisors (8916475).

45783689 is a wasteful number, since it uses less digits than its factorization.

45783689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25304 (or 25297 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 45783689 is about 6766.3645334847. The cubic root of 45783689 is about 357.7422720839.

The spelling of 45783689 in words is "forty-five million, seven hundred eighty-three thousand, six hundred eighty-nine".