442203544324145 has 8 divisors (see below), whose sum is σ = 530655394675560. Its totient is φ = 353755407801600.

The previous prime is 442203544324063. The next prime is 442203544324169. The reversal of 442203544324145 is 541423445302244.

It can be written as a sum of positive squares in 4 ways, for example, as 1870420022689 + 440333124301456 = 1367633^2 + 20984116^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442203544324145 - 2⁴⁸ = 160728567613489 is a prime.

It is a super-2 number, since 2×442203544324145² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442203544324145.

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, 928195256 + ... + 928671545.

It is an arithmetic number, because the mean of its divisors is an integer number (66331924334445).

Almost surely, 2^{442203544324145} is an apocalyptic number.

It is an amenable number.

442203544324145 is a deficient number, since it is larger than the sum of its proper divisors (88451850351415).

442203544324145 is a wasteful number, since it uses less digits than its factorization.

442203544324145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856914435.

The product of its (nonzero) digits is 7372800, while the sum is 47.

Adding to 442203544324145 its reverse (541423445302244), we get a palindrome (983626989626389).

The spelling of 442203544324145 in words is "four hundred forty-two trillion, two hundred three billion, five hundred forty-four million, three hundred twenty-four thousand, one hundred forty-five".