142144042434 has 16 divisors (see below), whose sum is σ = 296648436672. Its totient is φ = 45321288848.

The previous prime is 142144042409. The next prime is 142144042451. The reversal of 142144042434 is 434240441241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142144042395 and 142144042404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515014509 + ... + 515014784.

It is an arithmetic number, because the mean of its divisors is an integer number (18540527292).

Almost surely, 2^142144042434 is an apocalyptic number.

142144042434 is an abundant number, since it is smaller than the sum of its proper divisors (154504394238).

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

142144042434 is a wasteful number, since it uses less digits than its factorization.

142144042434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030029321.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 142144042434 its reverse (434240441241), we get a palindrome (576384483675).

The spelling of 142144042434 in words is "one hundred forty-two billion, one hundred forty-four million, forty-two thousand, four hundred thirty-four".