45111522 has 8 divisors (see below), whose sum is σ = 90223056. Its totient is φ = 15037172.

The previous prime is 45111511. The next prime is 45111551. The reversal of 45111522 is 22511154.

It is a sphenic number, since it is the product of 3 distinct primes.

45111522 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3759288 + ... + 3759299.

It is an arithmetic number, because the mean of its divisors is an integer number (11277882).

Almost surely, 2^45111522 is an apocalyptic number.

45111522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45111522 is a wasteful number, since it uses less digits than its factorization.

45111522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518592.

The product of its digits is 400, while the sum is 21.

The square root of 45111522 is about 6716.5111479101. The cubic root of 45111522 is about 355.9829190559.

Adding to 45111522 its reverse (22511154), we get a palindrome (67622676).

It can be divided in two parts, 4511152 and 2, that added together give a palindrome (4511154).

The spelling of 45111522 in words is "forty-five million, one hundred eleven thousand, five hundred twenty-two".