442451243 has 8 divisors (see below), whose sum is σ = 476666736. Its totient is φ = 408261600.

The previous prime is 442451237. The next prime is 442451257. The reversal of 442451243 is 342154244.

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 442451243 - 2¹⁴ = 442434859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442451203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43373 + ... + 52593.

It is an arithmetic number, because the mean of its divisors is an integer number (59583342).

Almost surely, 2^442451243 is an apocalyptic number.

442451243 is a deficient number, since it is larger than the sum of its proper divisors (34215493).

442451243 is a wasteful number, since it uses less digits than its factorization.

442451243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12925.

The product of its digits is 15360, while the sum is 29.

The square root of 442451243 is about 21034.5250243498. The cubic root of 442451243 is about 762.0002956486. Note that the first 3 decimals are identical.

The spelling of 442451243 in words is "four hundred forty-two million, four hundred fifty-one thousand, two hundred forty-three".