42124045445 has 8 divisors (see below), whose sum is σ = 51039620736. Its totient is φ = 33372058896.

The previous prime is 42124045427. The next prime is 42124045471. The reversal of 42124045445 is 54454042124.

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 42124045445 - 2⁸ = 42124045189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40896617 + ... + 40897646.

It is an arithmetic number, because the mean of its divisors is an integer number (6379952592).

Almost surely, 2^42124045445 is an apocalyptic number.

It is an amenable number.

42124045445 is a deficient number, since it is larger than the sum of its proper divisors (8915575291).

42124045445 is a wasteful number, since it uses less digits than its factorization.

42124045445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81794371.

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

Adding to 42124045445 its reverse (54454042124), we get a palindrome (96578087569).

The spelling of 42124045445 in words is "forty-two billion, one hundred twenty-four million, forty-five thousand, four hundred forty-five".