42145243606 has 16 divisors (see below), whose sum is σ = 64936689120. Its totient is φ = 20499860160.

The previous prime is 42145243603. The next prime is 42145243619. The reversal of 42145243606 is 60634254124.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42145243603) 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, 467010 + ... + 549898.

It is an arithmetic number, because the mean of its divisors is an integer number (4058543070).

Almost surely, 2^42145243606 is an apocalyptic number.

42145243606 is a deficient number, since it is larger than the sum of its proper divisors (22791445514).

42145243606 is a wasteful number, since it uses less digits than its factorization.

42145243606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89799.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 42145243606 in words is "forty-two billion, one hundred forty-five million, two hundred forty-three thousand, six hundred six".