142444513553 has 8 divisors (see below), whose sum is σ = 143584728000. Its totient is φ = 141307719120.

The previous prime is 142444513531. The next prime is 142444513573. The reversal of 142444513553 is 355315444241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142444513553 - 2¹² = 142444509457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142444513553.

It is not an unprimeable number, because it can be changed into a prime (142444513573) 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, 771338 + ... + 938003.

It is an arithmetic number, because the mean of its divisors is an integer number (17948091000).

Almost surely, 2^142444513553 is an apocalyptic number.

It is an amenable number.

142444513553 is a deficient number, since it is larger than the sum of its proper divisors (1140214447).

142444513553 is a wasteful number, since it uses less digits than its factorization.

142444513553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710007.

The product of its digits is 576000, while the sum is 41.

Adding to 142444513553 its reverse (355315444241), we get a palindrome (497759957794).

The spelling of 142444513553 in words is "one hundred forty-two billion, four hundred forty-four million, five hundred thirteen thousand, five hundred fifty-three".