45222543 has 24 divisors (see below), whose sum is σ = 68250000. Its totient is φ = 29922048.

The previous prime is 45222539. The next prime is 45222559. The reversal of 45222543 is 34522254.

It is a happy number.

It is not a de Polignac number, because 45222543 - 2² = 45222539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45222563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35583 + ... + 36831.

It is an arithmetic number, because the mean of its divisors is an integer number (2843750).

Almost surely, 2^45222543 is an apocalyptic number.

45222543 is a deficient number, since it is larger than the sum of its proper divisors (23027457).

45222543 is a wasteful number, since it uses less digits than its factorization.

45222543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1401 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 45222543 is about 6724.7708511146. The cubic root of 45222543 is about 356.2747085356.

Adding to 45222543 its reverse (34522254), we get a palindrome (79744797).

The spelling of 45222543 in words is "forty-five million, two hundred twenty-two thousand, five hundred forty-three".