42251145042245 has 8 divisors (see below), whose sum is σ = 51100597469184. Its totient is φ = 33534767088144.

The previous prime is 42251145042203. The next prime is 42251145042257. The reversal of 42251145042245 is 54224054115224.

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 42251145042245 - 2³⁸ = 41976267135301 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, 33268617509 + ... + 33268618778.

It is an arithmetic number, because the mean of its divisors is an integer number (6387574683648).

Almost surely, 2^{42251145042245} is an apocalyptic number.

It is an amenable number.

42251145042245 is a deficient number, since it is larger than the sum of its proper divisors (8849452426939).

42251145042245 is a wasteful number, since it uses less digits than its factorization.

42251145042245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66537236419.

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 42251145042245 its reverse (54224054115224), we get a palindrome (96475199157469).

The spelling of 42251145042245 in words is "forty-two trillion, two hundred fifty-one billion, one hundred forty-five million, forty-two thousand, two hundred forty-five".