342145243987 has 2 divisors, whose sum is σ = 342145243988. Its totient is φ = 342145243986.

The previous prime is 342145243901. The next prime is 342145243997. The reversal of 342145243987 is 789342541243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342145243987 - 2³¹ = 339997760339 is a prime.

It is not a weakly prime, because it can be changed into another prime (342145243997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171072621993 + 171072621994.

It is an arithmetic number, because the mean of its divisors is an integer number (171072621994).

Almost surely, 2^342145243987 is an apocalyptic number.

342145243987 is a deficient number, since it is larger than the sum of its proper divisors (1).

342145243987 is an equidigital number, since it uses as much as digits as its factorization.

342145243987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 52.

The spelling of 342145243987 in words is "three hundred forty-two billion, one hundred forty-five million, two hundred forty-three thousand, nine hundred eighty-seven".