442503045 has 24 divisors (see below), whose sum is σ = 769737696. Its totient is φ = 235160928.

The previous prime is 442503029. The next prime is 442503053. The reversal of 442503045 is 540305244.

It is not a de Polignac number, because 442503045 - 2⁴ = 442503029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4639 + ... + 30108.

It is an arithmetic number, because the mean of its divisors is an integer number (32072404).

Almost surely, 2^442503045 is an apocalyptic number.

442503045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

442503045 is a deficient number, since it is larger than the sum of its proper divisors (327234651).

442503045 is a wasteful number, since it uses less digits than its factorization.

442503045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35041 (or 35038 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 442503045 is about 21035.7563448524. The cubic root of 442503045 is about 762.0300327097.

Adding to 442503045 its reverse (540305244), we get a palindrome (982808289).

The spelling of 442503045 in words is "four hundred forty-two million, five hundred three thousand, forty-five".