42020451445 has 8 divisors (see below), whose sum is σ = 57628047744. Its totient is φ = 28814023824.

The previous prime is 42020451391. The next prime is 42020451511. The reversal of 42020451445 is 54415402024.

42020451445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42020451445 - 2⁹ = 42020450933 is a prime.

It is a Duffinian number.

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, 600292129 + ... + 600292198.

It is an arithmetic number, because the mean of its divisors is an integer number (7203505968).

Almost surely, 2^42020451445 is an apocalyptic number.

It is an amenable number.

42020451445 is a deficient number, since it is larger than the sum of its proper divisors (15607596299).

42020451445 is a wasteful number, since it uses less digits than its factorization.

42020451445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200584339.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 42020451445 its reverse (54415402024), we get a palindrome (96435853469).

The spelling of 42020451445 in words is "forty-two billion, twenty million, four hundred fifty-one thousand, four hundred forty-five".