421154300442245 has 8 divisors (see below), whose sum is σ = 508604174292984. Its totient is φ = 334777431178944.

The previous prime is 421154300442229. The next prime is 421154300442257. The reversal of 421154300442245 is 542244003451124.

It can be written as a sum of positive squares in 4 ways, for example, as 48810888817441 + 372343411624804 = 6986479^2 + 19296202^2 .

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 421154300442245 - 2⁴ = 421154300442229 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, 268251145994 + ... + 268251147563.

It is an arithmetic number, because the mean of its divisors is an integer number (63575521786623).

Almost surely, 2^{421154300442245} is an apocalyptic number.

It is an amenable number.

421154300442245 is a deficient number, since it is larger than the sum of its proper divisors (87449873850739).

421154300442245 is a wasteful number, since it uses less digits than its factorization.

421154300442245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536502293719.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 421154300442245 its reverse (542244003451124), we get a palindrome (963398303893369).

The spelling of 421154300442245 in words is "four hundred twenty-one trillion, one hundred fifty-four billion, three hundred million, four hundred forty-two thousand, two hundred forty-five".