141983857 has 2 divisors, whose sum is σ = 141983858. Its totient is φ = 141983856.

The previous prime is 141983843. The next prime is 141983917. The reversal of 141983857 is 758389141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138509361 + 3474496 = 11769^2 + 1864^2 .

It is an emirp because it is prime and its reverse (758389141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141983857 - 2¹⁹ = 141459569 is a prime.

It is not a weakly prime, because it can be changed into another prime (141983057) 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, 70991928 + 70991929.

It is an arithmetic number, because the mean of its divisors is an integer number (70991929).

Almost surely, 2^141983857 is an apocalyptic number.

It is an amenable number.

141983857 is a deficient number, since it is larger than the sum of its proper divisors (1).

141983857 is an equidigital number, since it uses as much as digits as its factorization.

141983857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The square root of 141983857 is about 11915.6979233279. The cubic root of 141983857 is about 521.6905739956.

The spelling of 141983857 in words is "one hundred forty-one million, nine hundred eighty-three thousand, eight hundred fifty-seven".