142296187409 has 2 divisors, whose sum is σ = 142296187410. Its totient is φ = 142296187408.

The previous prime is 142296187403. The next prime is 142296187427. The reversal of 142296187409 is 904781692241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110343552400 + 31952635009 = 332180^2 + 178753^2 .

It is a cyclic number.

It is not a de Polignac number, because 142296187409 - 2⁸ = 142296187153 is a prime.

It is a super-2 number, since 2×142296187409² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142296187403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71148093704 + 71148093705.

It is an arithmetic number, because the mean of its divisors is an integer number (71148093705).

Almost surely, 2^142296187409 is an apocalyptic number.

It is an amenable number.

142296187409 is a deficient number, since it is larger than the sum of its proper divisors (1).

142296187409 is an equidigital number, since it uses as much as digits as its factorization.

142296187409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 142296187409 in words is "one hundred forty-two billion, two hundred ninety-six million, one hundred eighty-seven thousand, four hundred nine".