142113423030542 has 4 divisors (see below), whose sum is σ = 213170134545816. Its totient is φ = 71056711515270.

The previous prime is 142113423030503. The next prime is 142113423030629. The reversal of 142113423030542 is 245030324311241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35528355757634 + ... + 35528355757637.

It is an arithmetic number, because the mean of its divisors is an integer number (53292533636454).

Almost surely, 2^{142113423030542} is an apocalyptic number.

142113423030542 is a deficient number, since it is larger than the sum of its proper divisors (71056711515274).

142113423030542 is an equidigital number, since it uses as much as digits as its factorization.

142113423030542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71056711515273.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 142113423030542 its reverse (245030324311241), we get a palindrome (387143747341783).

The spelling of 142113423030542 in words is "one hundred forty-two trillion, one hundred thirteen billion, four hundred twenty-three million, thirty thousand, five hundred forty-two".