42144103 has 2 divisors, whose sum is σ = 42144104. Its totient is φ = 42144102.

The previous prime is 42144079. The next prime is 42144121. The reversal of 42144103 is 30144124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42144103 - 2¹⁷ = 42013031 is a prime.

It is a super-2 number, since 2×42144103² = 3552250835349218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42144133) 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, 21072051 + 21072052.

It is an arithmetic number, because the mean of its divisors is an integer number (21072052).

Almost surely, 2^42144103 is an apocalyptic number.

42144103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42144103 is an equidigital number, since it uses as much as digits as its factorization.

42144103 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 19.

The square root of 42144103 is about 6491.8489662037. The cubic root of 42144103 is about 347.9997550313. Note that the first 3 decimals are identical.

Adding to 42144103 its reverse (30144124), we get a palindrome (72288227).

The spelling of 42144103 in words is "forty-two million, one hundred forty-four thousand, one hundred three".