142021423043 has 16 divisors (see below), whose sum is σ = 148615799040. Its totient is φ = 135590565600.

The previous prime is 142021422997. The next prime is 142021423067. The reversal of 142021423043 is 340324120241.

It is a cyclic number.

It is not a de Polignac number, because 142021423043 - 2¹⁶ = 142021357507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142021425043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 426188 + ... + 682406.

It is an arithmetic number, because the mean of its divisors is an integer number (9288487440).

Almost surely, 2^142021423043 is an apocalyptic number.

142021423043 is a deficient number, since it is larger than the sum of its proper divisors (6594375997).

142021423043 is a wasteful number, since it uses less digits than its factorization.

142021423043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256538.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 142021423043 its reverse (340324120241), we get a palindrome (482345543284).

The spelling of 142021423043 in words is "one hundred forty-two billion, twenty-one million, four hundred twenty-three thousand, forty-three".