142665566241 has 16 divisors (see below), whose sum is σ = 207520233408. Its totient is φ = 86461195200.

The previous prime is 142665566221. The next prime is 142665566249.

It is a happy number.

142665566241 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 142665566241 - 2⁹ = 142665565729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142665566249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496751 + ... + 1589211.

It is an arithmetic number, because the mean of its divisors is an integer number (12970014588).

Almost surely, 2^142665566241 is an apocalyptic number.

142665566241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142665566241 is a deficient number, since it is larger than the sum of its proper divisors (64854667167).

142665566241 is a wasteful number, since it uses less digits than its factorization.

142665566241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139232.

The product of its digits is 2073600, while the sum is 48.

The spelling of 142665566241 in words is "one hundred forty-two billion, six hundred sixty-five million, five hundred sixty-six thousand, two hundred forty-one".