142400450143 has 16 divisors (see below), whose sum is σ = 163509534720. Its totient is φ = 121483152576.

The previous prime is 142400450119. The next prime is 142400450161. The reversal of 142400450143 is 341054004241.

It is a cyclic number.

It is not a de Polignac number, because 142400450143 - 2⁵ = 142400450111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142400450113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10481571 + ... + 10495147.

It is an arithmetic number, because the mean of its divisors is an integer number (10219345920).

Almost surely, 2^142400450143 is an apocalyptic number.

142400450143 is a deficient number, since it is larger than the sum of its proper divisors (21109084577).

142400450143 is a wasteful number, since it uses less digits than its factorization.

142400450143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20526.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 142400450143 its reverse (341054004241), we get a palindrome (483454454384).

The spelling of 142400450143 in words is "one hundred forty-two billion, four hundred million, four hundred fifty thousand, one hundred forty-three".