442250103 has 4 divisors (see below), whose sum is σ = 589666808. Its totient is φ = 294833400.

The previous prime is 442250089. The next prime is 442250113. The reversal of 442250103 is 301052244.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 442250103 - 2⁵ = 442250071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442250103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442250113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73708348 + ... + 73708353.

It is an arithmetic number, because the mean of its divisors is an integer number (147416702).

Almost surely, 2^442250103 is an apocalyptic number.

442250103 is a deficient number, since it is larger than the sum of its proper divisors (147416705).

442250103 is a wasteful number, since it uses less digits than its factorization.

442250103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147416704.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 442250103 is about 21029.7432937257. The cubic root of 442250103 is about 761.8848087460.

The spelling of 442250103 in words is "four hundred forty-two million, two hundred fifty thousand, one hundred three".