42245145343443 has 32 divisors (see below), whose sum is σ = 64452864913920. Its totient is φ = 24110347092480.

The previous prime is 42245145343433. The next prime is 42245145343447. The reversal of 42245145343443 is 34434354154224.

It is not a de Polignac number, because 42245145343443 - 2⁹ = 42245145342931 is a prime.

It is a super-3 number, since 3×42245145343443³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42245145343392 and 42245145343401.

It is not an unprimeable number, because it can be changed into a prime (42245145343447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200797221 + ... + 201007497.

It is an arithmetic number, because the mean of its divisors is an integer number (2014152028560).

Almost surely, 2^{42245145343443} is an apocalyptic number.

42245145343443 is a deficient number, since it is larger than the sum of its proper divisors (22207719570477).

42245145343443 is a wasteful number, since it uses less digits than its factorization.

42245145343443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222027.

The product of its digits is 11059200, while the sum is 48.

Adding to 42245145343443 its reverse (34434354154224), we get a palindrome (76679499497667).

The spelling of 42245145343443 in words is "forty-two trillion, two hundred forty-five billion, one hundred forty-five million, three hundred forty-three thousand, four hundred forty-three".