42543444145460 has 24 divisors (see below), whose sum is σ = 89518849491456. Its totient is φ = 16983545889440.

The previous prime is 42543444145399. The next prime is 42543444145463. The reversal of 42543444145460 is 6454144434524.

It is a super-2 number, since 2×42543444145460² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42543444145399 and 42543444145408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42543444145463) 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, 2114475236 + ... + 2114495355.

It is an arithmetic number, because the mean of its divisors is an integer number (3729952062144).

Almost surely, 2^{42543444145460} is an apocalyptic number.

It is an amenable number.

42543444145460 is an abundant number, since it is smaller than the sum of its proper divisors (46975405345996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42543444145460 is a wasteful number, since it uses less digits than its factorization.

42543444145460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228971103 (or 4228971101 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 50.

Adding to 42543444145460 its reverse (6454144434524), we get a palindrome (48997588579984).

The spelling of 42543444145460 in words is "forty-two trillion, five hundred forty-three billion, four hundred forty-four million, one hundred forty-five thousand, four hundred sixty".