45111822 has 32 divisors (see below), whose sum is σ = 105311232. Its totient is φ = 12614304.

The previous prime is 45111821. The next prime is 45111823. The reversal of 45111822 is 22811154.

It is an interprime number because it is at equal distance from previous prime (45111821) and next prime (45111823).

It is a junction number, because it is equal to n+sod(n) for n = 45111792 and 45111801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9453 + ... + 13400.

It is an arithmetic number, because the mean of its divisors is an integer number (3290976).

Almost surely, 2^45111822 is an apocalyptic number.

45111822 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45111822 is an abundant number, since it is smaller than the sum of its proper divisors (60199410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45111822 is a wasteful number, since it uses less digits than its factorization.

45111822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22912.

The product of its digits is 640, while the sum is 24.

The square root of 45111822 is about 6716.5334808962. The cubic root of 45111822 is about 355.9837081717.

Adding to 45111822 its reverse (22811154), we get a palindrome (67922976).

The spelling of 45111822 in words is "forty-five million, one hundred eleven thousand, eight hundred twenty-two".