142312401449 has 2 divisors, whose sum is σ = 142312401450. Its totient is φ = 142312401448.

The previous prime is 142312401409. The next prime is 142312401541. The reversal of 142312401449 is 944104213241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80928870400 + 61383531049 = 284480^2 + 247757^2 .

It is a cyclic number.

It is not a de Polignac number, because 142312401449 - 2²⁰ = 142311352873 is a prime.

It is not a weakly prime, because it can be changed into another prime (142312401409) 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 as a sum of consecutive naturals, namely, 71156200724 + 71156200725.

It is an arithmetic number, because the mean of its divisors is an integer number (71156200725).

Almost surely, 2^142312401449 is an apocalyptic number.

It is an amenable number.

142312401449 is a deficient number, since it is larger than the sum of its proper divisors (1).

142312401449 is an equidigital number, since it uses as much as digits as its factorization.

142312401449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 142312401449 in words is "one hundred forty-two billion, three hundred twelve million, four hundred one thousand, four hundred forty-nine".