142022143451 has 8 divisors (see below), whose sum is σ = 145068309504. Its totient is φ = 138976994920.

The previous prime is 142022143343. The next prime is 142022143481. The reversal of 142022143451 is 154341220241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142022143451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142022143481) 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, 31166 + ... + 533868.

It is an arithmetic number, because the mean of its divisors is an integer number (18133538688).

Almost surely, 2^142022143451 is an apocalyptic number.

142022143451 is a deficient number, since it is larger than the sum of its proper divisors (3046166053).

142022143451 is an equidigital number, since it uses as much as digits as its factorization.

142022143451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508761.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 142022143451 its reverse (154341220241), we get a palindrome (296363363692).

The spelling of 142022143451 in words is "one hundred forty-two billion, twenty-two million, one hundred forty-three thousand, four hundred fifty-one".