102045443 has 2 divisors, whose sum is σ = 102045444. Its totient is φ = 102045442.

The previous prime is 102045401. The next prime is 102045467. The reversal of 102045443 is 344540201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102045443 - 2¹² = 102041347 is a prime.

It is not a weakly prime, because it can be changed into another prime (102045943) 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, 51022721 + 51022722.

It is an arithmetic number, because the mean of its divisors is an integer number (51022722).

Almost surely, 2^102045443 is an apocalyptic number.

102045443 is a deficient number, since it is larger than the sum of its proper divisors (1).

102045443 is an equidigital number, since it uses as much as digits as its factorization.

102045443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 102045443 is about 10101.7544515792. The cubic root of 102045443 is about 467.3022496691.

Adding to 102045443 its reverse (344540201), we get a palindrome (446585644).

The spelling of 102045443 in words is "one hundred two million, forty-five thousand, four hundred forty-three".