442515103 has 8 divisors (see below), whose sum is σ = 450478080. Its totient is φ = 434611320.

The previous prime is 442515061. The next prime is 442515113. The reversal of 442515103 is 301515244.

It is a happy number.

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 442515103 - 2²¹ = 440417951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442515113) 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, 426 + ... + 29752.

It is an arithmetic number, because the mean of its divisors is an integer number (56309760).

Almost surely, 2^442515103 is an apocalyptic number.

442515103 is a deficient number, since it is larger than the sum of its proper divisors (7962977).

442515103 is a wasteful number, since it uses less digits than its factorization.

442515103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29597.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 442515103 is about 21036.0429501368. The cubic root of 442515103 is about 762.0369543002.

The spelling of 442515103 in words is "four hundred forty-two million, five hundred fifteen thousand, one hundred three".