45143322644422 has 4 divisors (see below), whose sum is σ = 67714983966636. Its totient is φ = 22571661322210.

The previous prime is 45143322644369. The next prime is 45143322644429. The reversal of 45143322644422 is 22444622334154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143322644429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11285830661104 + ... + 11285830661107.

It is an arithmetic number, because the mean of its divisors is an integer number (16928745991659).

Almost surely, 2^{45143322644422} is an apocalyptic number.

45143322644422 is a deficient number, since it is larger than the sum of its proper divisors (22571661322214).

45143322644422 is a wasteful number, since it uses less digits than its factorization.

45143322644422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22571661322213.

The product of its digits is 4423680, while the sum is 46.

Adding to 45143322644422 its reverse (22444622334154), we get a palindrome (67587944978576).

The spelling of 45143322644422 in words is "forty-five trillion, one hundred forty-three billion, three hundred twenty-two million, six hundred forty-four thousand, four hundred twenty-two".