45144422 has 4 divisors (see below), whose sum is σ = 67716636. Its totient is φ = 22572210.

The previous prime is 45144371. The next prime is 45144431. The reversal of 45144422 is 22444154.

45144422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 45144391 and 45144400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286104 + ... + 11286107.

It is an arithmetic number, because the mean of its divisors is an integer number (16929159).

Almost surely, 2^45144422 is an apocalyptic number.

45144422 is a deficient number, since it is larger than the sum of its proper divisors (22572214).

45144422 is a wasteful number, since it uses less digits than its factorization.

45144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22572213.

The product of its digits is 5120, while the sum is 26.

The square root of 45144422 is about 6718.9598897448. The cubic root of 45144422 is about 356.0694379134.

Adding to 45144422 its reverse (22444154), we get a palindrome (67588576).

The spelling of 45144422 in words is "forty-five million, one hundred forty-four thousand, four hundred twenty-two".