202145199983 has 2 divisors, whose sum is σ = 202145199984. Its totient is φ = 202145199982.

The previous prime is 202145199959. The next prime is 202145200051. The reversal of 202145199983 is 389991541202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202145199983 - 2¹⁴ = 202145183599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202145199283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101072599991 + 101072599992.

It is an arithmetic number, because the mean of its divisors is an integer number (101072599992).

Almost surely, 2^202145199983 is an apocalyptic number.

202145199983 is a deficient number, since it is larger than the sum of its proper divisors (1).

202145199983 is an equidigital number, since it uses as much as digits as its factorization.

202145199983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 202145199983 in words is "two hundred two billion, one hundred forty-five million, one hundred ninety-nine thousand, nine hundred eighty-three".