142442836997 has 8 divisors (see below), whose sum is σ = 144168716160. Its totient is φ = 140717188960.

The previous prime is 142442836993. The next prime is 142442837023. The reversal of 142442836997 is 799638244241.

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

It is a cyclic number.

It is not a de Polignac number, because 142442836997 - 2² = 142442836993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142442836993) 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, 1405097 + ... + 1503057.

It is an arithmetic number, because the mean of its divisors is an integer number (18021089520).

Almost surely, 2^142442836997 is an apocalyptic number.

It is an amenable number.

142442836997 is a deficient number, since it is larger than the sum of its proper divisors (1725879163).

142442836997 is an equidigital number, since it uses as much as digits as its factorization.

142442836997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115563.

The product of its digits is 20901888, while the sum is 59.

Adding to 142442836997 its sum of digits (59), we get a square (142442837056 = 377416²).

The spelling of 142442836997 in words is "one hundred forty-two billion, four hundred forty-two million, eight hundred thirty-six thousand, nine hundred ninety-seven".