142455423430542 has 64 divisors (see below), whose sum is σ = 288289113315840. Its totient is φ = 46923620696064.

The previous prime is 142455423430517. The next prime is 142455423430553. The reversal of 142455423430542 is 245034324554241.

It is a junction number, because it is equal to n+sod(n) for n = 142455423430491 and 142455423430500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2574204309 + ... + 2574259647.

It is an arithmetic number, because the mean of its divisors is an integer number (4504517395560).

Almost surely, 2^{142455423430542} is an apocalyptic number.

142455423430542 is an abundant number, since it is smaller than the sum of its proper divisors (145833689885298).

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

142455423430542 is a wasteful number, since it uses less digits than its factorization.

142455423430542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62137.

The product of its (nonzero) digits is 9216000, while the sum is 48.

Adding to 142455423430542 its reverse (245034324554241), we get a palindrome (387489747984783).

The spelling of 142455423430542 in words is "one hundred forty-two trillion, four hundred fifty-five billion, four hundred twenty-three million, four hundred thirty thousand, five hundred forty-two".