101142443 has 2 divisors, whose sum is σ = 101142444. Its totient is φ = 101142442.

The previous prime is 101142439. The next prime is 101142473. The reversal of 101142443 is 344241101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101142443 - 2² = 101142439 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101142473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50571221 + 50571222.

It is an arithmetic number, because the mean of its divisors is an integer number (50571222).

Almost surely, 2^101142443 is an apocalyptic number.

101142443 is a deficient number, since it is larger than the sum of its proper divisors (1).

101142443 is an equidigital number, since it uses as much as digits as its factorization.

101142443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 101142443 is about 10056.9599283282. The cubic root of 101142443 is about 465.9197781067.

Adding to 101142443 its reverse (344241101), we get a palindrome (445383544).

The spelling of 101142443 in words is "one hundred one million, one hundred forty-two thousand, four hundred forty-three".