4145863 has 2 divisors, whose sum is σ = 4145864. Its totient is φ = 4145862.

The previous prime is 4145861. The next prime is 4145873. The reversal of 4145863 is 3685414.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4145863 - 2¹ = 4145861 is a prime.

Together with 4145861, it forms a pair of twin primes.

4145863 is a lucky number.

It is equal to p₂₉₂₇₃₈ and since 4145863 and 292738 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072931 + 2072932.

It is an arithmetic number, because the mean of its divisors is an integer number (2072932).

Almost surely, 2^4145863 is an apocalyptic number.

4145863 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145863 is an equidigital number, since it uses as much as digits as its factorization.

4145863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 4145863 is about 2036.1392388538. The cubic root of 4145863 is about 160.6466408891.

The spelling of 4145863 in words is "four million, one hundred forty-five thousand, eight hundred sixty-three".