42145442104 has 16 divisors (see below), whose sum is σ = 79024884120. Its totient is φ = 21072139680.

The previous prime is 42145442069. The next prime is 42145442117. The reversal of 42145442104 is 40124454124.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 514347 + ... + 590629.

Almost surely, 2^42145442104 is an apocalyptic number.

It is an amenable number.

42145442104 is a deficient number, since it is larger than the sum of its proper divisors (36879442016).

42145442104 is a wasteful number, since it uses less digits than its factorization.

42145442104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145350 (or 145346 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 42145442104 its reverse (40124454124), we get a palindrome (82269896228).

The spelling of 42145442104 in words is "forty-two billion, one hundred forty-five million, four hundred forty-two thousand, one hundred four".