142403504144 has 60 divisors (see below), whose sum is σ = 313052463360. Its totient is φ = 62640811200.

The previous prime is 142403504141. The next prime is 142403504207. The reversal of 142403504144 is 441405304241.

It is a self number, because there is not a number n which added to its sum of digits gives 142403504144.

It is not an unprimeable number, because it can be changed into a prime (142403504141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126364 + ... + 1246395.

It is an arithmetic number, because the mean of its divisors is an integer number (5217541056).

Almost surely, 2^142403504144 is an apocalyptic number.

It is an amenable number.

142403504144 is an abundant number, since it is smaller than the sum of its proper divisors (170648959216).

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

142403504144 is a wasteful number, since it uses less digits than its factorization.

142403504144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372820 (or 2372803 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 142403504144 its reverse (441405304241), we get a palindrome (583808808385).

The spelling of 142403504144 in words is "one hundred forty-two billion, four hundred three million, five hundred four thousand, one hundred forty-four".