142297509395 has 8 divisors (see below), whose sum is σ = 170772798480. Its totient is φ = 113827482720.

The previous prime is 142297509317. The next prime is 142297509397. The reversal of 142297509395 is 593905792241.

It is a happy number.

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

It is not a de Polignac number, because 142297509395 - 2¹² = 142297505299 is a prime.

It is a super-2 number, since 2×142297509395² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142297509395.

It is not an unprimeable number, because it can be changed into a prime (142297509397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255865 + ... + 1364474.

It is an arithmetic number, because the mean of its divisors is an integer number (21346599810).

Almost surely, 2^142297509395 is an apocalyptic number.

142297509395 is a deficient number, since it is larger than the sum of its proper divisors (28475289085).

142297509395 is a wasteful number, since it uses less digits than its factorization.

142297509395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631205.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 142297509395 in words is "one hundred forty-two billion, two hundred ninety-seven million, five hundred nine thousand, three hundred ninety-five".