105442999 has 2 divisors, whose sum is σ = 105443000. Its totient is φ = 105442998.

The previous prime is 105442963. The next prime is 105443011. The reversal of 105442999 is 999244501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105442999 - 2⁹ = 105442487 is a prime.

It is a super-2 number, since 2×105442999² = 22236452076228002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105442199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52721499 + 52721500.

It is an arithmetic number, because the mean of its divisors is an integer number (52721500).

Almost surely, 2^105442999 is an apocalyptic number.

105442999 is a deficient number, since it is larger than the sum of its proper divisors (1).

105442999 is an equidigital number, since it uses as much as digits as its factorization.

105442999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 105442999 is about 10268.5441519234. The cubic root of 105442999 is about 472.4319381635.

The spelling of 105442999 in words is "one hundred five million, four hundred forty-two thousand, nine hundred ninety-nine".