142204556144 has 40 divisors (see below), whose sum is σ = 318127742688. Its totient is φ = 60316508160.

The previous prime is 142204556129. The next prime is 142204556161. The reversal of 142204556144 is 441655402241.

It is a super-2 number, since 2×142204556144² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142204556098 and 142204556107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6533897 + ... + 6555624.

Almost surely, 2^142204556144 is an apocalyptic number.

142204556144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142204556144 is an abundant number, since it is smaller than the sum of its proper divisors (175923186544).

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

142204556144 is a wasteful number, since it uses less digits than its factorization.

142204556144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089633 (or 13089627 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 142204556144 its reverse (441655402241), we get a palindrome (583859958385).

The spelling of 142204556144 in words is "one hundred forty-two billion, two hundred four million, five hundred fifty-six thousand, one hundred forty-four".