442303145 has 8 divisors (see below), whose sum is σ = 531136320. Its totient is φ = 353594160.

The previous prime is 442303129. The next prime is 442303159. The reversal of 442303145 is 541303244.

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

It is not a de Polignac number, because 442303145 - 2⁴ = 442303129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23021 + ... + 37610.

It is an arithmetic number, because the mean of its divisors is an integer number (66392040).

Almost surely, 2^442303145 is an apocalyptic number.

It is an amenable number.

442303145 is a deficient number, since it is larger than the sum of its proper divisors (88833175).

442303145 is a wasteful number, since it uses less digits than its factorization.

442303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62095.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 442303145 is about 21031.0043744943. The cubic root of 442303145 is about 761.9152668346.

Adding to 442303145 its reverse (541303244), we get a palindrome (983606389).

Subtracting 442303145 from its reverse (541303244), we obtain a palindrome (99000099).

The spelling of 442303145 in words is "four hundred forty-two million, three hundred three thousand, one hundred forty-five".