445545422342 has 16 divisors (see below), whose sum is σ = 672284167200. Its totient is φ = 221453736960.

The previous prime is 445545422341. The next prime is 445545422383. The reversal of 445545422342 is 243224545544.

It is a happy number.

It is a super-2 number, since 2×445545422342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445545422293 and 445545422302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445545422341) 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, 465242 + ... + 1052397.

It is an arithmetic number, because the mean of its divisors is an integer number (42017760450).

Almost surely, 2^445545422342 is an apocalyptic number.

445545422342 is a deficient number, since it is larger than the sum of its proper divisors (226738744858).

445545422342 is a wasteful number, since it uses less digits than its factorization.

445545422342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518511.

The product of its digits is 3072000, while the sum is 44.

Adding to 445545422342 its reverse (243224545544), we get a palindrome (688769967886).

The spelling of 445545422342 in words is "four hundred forty-five billion, five hundred forty-five million, four hundred twenty-two thousand, three hundred forty-two".