142226229687448 has 16 divisors (see below), whose sum is σ = 282360897173880. Its totient is φ = 66929990441088.

The previous prime is 142226229687379. The next prime is 142226229687461. The reversal of 142226229687448 is 844786922622241.

142226229687448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142226229687448² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522890550186 + ... + 522890550457.

Almost surely, 2^{142226229687448} is an apocalyptic number.

It is an amenable number.

142226229687448 is a deficient number, since it is larger than the sum of its proper divisors (140134667486432).

142226229687448 is a wasteful number, since it uses less digits than its factorization.

142226229687448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045781100666 (or 1045781100662 counting only the distinct ones).

The product of its digits is 297271296, while the sum is 67.

The spelling of 142226229687448 in words is "one hundred forty-two trillion, two hundred twenty-six billion, two hundred twenty-nine million, six hundred eighty-seven thousand, four hundred forty-eight".