21442300045 has 8 divisors (see below), whose sum is σ = 26849488896. Its totient is φ = 16408020816.

The previous prime is 21442300031. The next prime is 21442300081. The reversal of 21442300045 is 54000324412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21442300045 - 2⁵ = 21442300013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21442299992 and 21442300019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93227277 + ... + 93227506.

It is an arithmetic number, because the mean of its divisors is an integer number (3356186112).

Almost surely, 2^21442300045 is an apocalyptic number.

It is an amenable number.

21442300045 is a deficient number, since it is larger than the sum of its proper divisors (5407188851).

21442300045 is a wasteful number, since it uses less digits than its factorization.

21442300045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186454811.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 21442300045 its reverse (54000324412), we get a palindrome (75442624457).

The spelling of 21442300045 in words is "twenty-one billion, four hundred forty-two million, three hundred thousand, forty-five".