42003302345 has 4 divisors (see below), whose sum is σ = 50403962820. Its totient is φ = 33602641872.

The previous prime is 42003302339. The next prime is 42003302357. The reversal of 42003302345 is 54320330024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24295145161 + 17708157184 = 155869^2 + 133072^2 .

It is a cyclic number.

It is not a de Polignac number, because 42003302345 - 2¹⁰ = 42003301321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200330230 + ... + 4200330239.

It is an arithmetic number, because the mean of its divisors is an integer number (12600990705).

Almost surely, 2^42003302345 is an apocalyptic number.

It is an amenable number.

42003302345 is a deficient number, since it is larger than the sum of its proper divisors (8400660475).

42003302345 is an equidigital number, since it uses as much as digits as its factorization.

42003302345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400660474.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 42003302345 its reverse (54320330024), we get a palindrome (96323632369).

The spelling of 42003302345 in words is "forty-two billion, three million, three hundred two thousand, three hundred forty-five".