45451404422 has 4 divisors (see below), whose sum is σ = 68177106636. Its totient is φ = 22725702210.

The previous prime is 45451404389. The next prime is 45451404463. The reversal of 45451404422 is 22440415454.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11362851104 + ... + 11362851107.

It is an arithmetic number, because the mean of its divisors is an integer number (17044276659).

Almost surely, 2^45451404422 is an apocalyptic number.

45451404422 is a deficient number, since it is larger than the sum of its proper divisors (22725702214).

45451404422 is a wasteful number, since it uses less digits than its factorization.

45451404422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22725702213.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 45451404422 its reverse (22440415454), we get a palindrome (67891819876).

The spelling of 45451404422 in words is "forty-five billion, four hundred fifty-one million, four hundred four thousand, four hundred twenty-two".