142032231434 has 4 divisors (see below), whose sum is σ = 213048347154. Its totient is φ = 71016115716.

The previous prime is 142032231427. The next prime is 142032231479. The reversal of 142032231434 is 434132230241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434132230241 = 107 ⋅4057310563.

It can be written as a sum of positive squares in only one way, i.e., 138311841409 + 3720390025 = 371903^2 + 60995^2 .

It is a super-2 number, since 2×142032231434² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142032231397 and 142032231406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35508057857 + ... + 35508057860.

Almost surely, 2^142032231434 is an apocalyptic number.

142032231434 is a deficient number, since it is larger than the sum of its proper divisors (71016115720).

142032231434 is an equidigital number, since it uses as much as digits as its factorization.

142032231434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71016115719.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 142032231434 its reverse (434132230241), we get a palindrome (576164461675).

The spelling of 142032231434 in words is "one hundred forty-two billion, thirty-two million, two hundred thirty-one thousand, four hundred thirty-four".