142314215509 has 2 divisors, whose sum is σ = 142314215510. Its totient is φ = 142314215508.

The previous prime is 142314215419. The next prime is 142314215543. The reversal of 142314215509 is 905512413241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94569780484 + 47744435025 = 307522^2 + 218505^2 .

It is a cyclic number.

It is not a de Polignac number, because 142314215509 - 2⁹ = 142314214997 is a prime.

It is a super-2 number, since 2×142314215509² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142314215009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71157107754 + 71157107755.

It is an arithmetic number, because the mean of its divisors is an integer number (71157107755).

Almost surely, 2^142314215509 is an apocalyptic number.

It is an amenable number.

142314215509 is a deficient number, since it is larger than the sum of its proper divisors (1).

142314215509 is an equidigital number, since it uses as much as digits as its factorization.

142314215509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 142314215509 in words is "one hundred forty-two billion, three hundred fourteen million, two hundred fifteen thousand, five hundred nine".