142015020442 has 16 divisors (see below), whose sum is σ = 218211301440. Its totient is φ = 69281476992.

The previous prime is 142015020439. The next prime is 142015020449. The reversal of 142015020442 is 244020510241.

It is a super-2 number, since 2×142015020442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142015020449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808878 + ... + 968665.

It is an arithmetic number, because the mean of its divisors is an integer number (13638206340).

Almost surely, 2^142015020442 is an apocalyptic number.

142015020442 is a deficient number, since it is larger than the sum of its proper divisors (76196280998).

142015020442 is a wasteful number, since it uses less digits than its factorization.

142015020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778517.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 142015020442 its reverse (244020510241), we get a palindrome (386035530683).

The spelling of 142015020442 in words is "one hundred forty-two billion, fifteen million, twenty thousand, four hundred forty-two".