45643111 has 16 divisors (see below), whose sum is σ = 49271040. Its totient is φ = 42154560.

The previous prime is 45643099. The next prime is 45643133. The reversal of 45643111 is 11134654.

It is a cyclic number.

It is not a de Polignac number, because 45643111 - 2¹⁵ = 45610343 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 (45643141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162291 + ... + 162571.

It is an arithmetic number, because the mean of its divisors is an integer number (3079440).

Almost surely, 2^45643111 is an apocalyptic number.

45643111 is a deficient number, since it is larger than the sum of its proper divisors (3627929).

45643111 is a wasteful number, since it uses less digits than its factorization.

45643111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its digits is 1440, while the sum is 25.

The square root of 45643111 is about 6755.9685464040. The cubic root of 45643111 is about 357.3757496066.

Adding to 45643111 its reverse (11134654), we get a palindrome (56777765).

It can be divided in two parts, 45643 and 111, that added together give a palindrome (45754).

The spelling of 45643111 in words is "forty-five million, six hundred forty-three thousand, one hundred eleven".