142074346081 has 4 divisors (see below), whose sum is σ = 142079356692. Its totient is φ = 142069335472.

The previous prime is 142074346039. The next prime is 142074346091. The reversal of 142074346081 is 180643470241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102987079056 + 39087267025 = 320916^2 + 197705^2 .

It is a cyclic number.

It is not a de Polignac number, because 142074346081 - 2¹⁹ = 142073821793 is a prime.

It is a super-2 number, since 2×142074346081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142074346031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462530 + ... + 2519563.

It is an arithmetic number, because the mean of its divisors is an integer number (35519839173).

Almost surely, 2^142074346081 is an apocalyptic number.

It is an amenable number.

142074346081 is a deficient number, since it is larger than the sum of its proper divisors (5010611).

142074346081 is an equidigital number, since it uses as much as digits as its factorization.

142074346081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010610.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 142074346081 in words is "one hundred forty-two billion, seventy-four million, three hundred forty-six thousand, eighty-one".