142220042534 has 32 divisors (see below), whose sum is σ = 219784181760. Its totient is φ = 68996740032.

The previous prime is 142220042519. The next prime is 142220042539. The reversal of 142220042534 is 435240022241.

142220042534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142220042497 and 142220042506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142220042539) 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, 3113867 + ... + 3159209.

It is an arithmetic number, because the mean of its divisors is an integer number (6868255680).

Almost surely, 2^142220042534 is an apocalyptic number.

142220042534 is a deficient number, since it is larger than the sum of its proper divisors (77564139226).

142220042534 is a wasteful number, since it uses less digits than its factorization.

142220042534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45764.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 142220042534 its reverse (435240022241), we get a palindrome (577460064775).

The spelling of 142220042534 in words is "one hundred forty-two billion, two hundred twenty million, forty-two thousand, five hundred thirty-four".