4145868 has 18 divisors (see below), whose sum is σ = 10479924. Its totient is φ = 1381944.

The previous prime is 4145863. The next prime is 4145873. The reversal of 4145868 is 8685414.

It is an interprime number because it is at equal distance from previous prime (4145863) and next prime (4145873).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 115163 = 4145868 / (4 + 1 + 4 + 5 + 8 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (4145861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57546 + ... + 57617.

It is an arithmetic number, because the mean of its divisors is an integer number (582218).

Almost surely, 2^4145868 is an apocalyptic number.

It is an amenable number.

4145868 is an abundant number, since it is smaller than the sum of its proper divisors (6334056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4145868 is a wasteful number, since it uses less digits than its factorization.

4145868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115173 (or 115168 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 4145868 is about 2036.1404666673. The cubic root of 4145868 is about 160.6467054701.

The spelling of 4145868 in words is "four million, one hundred forty-five thousand, eight hundred sixty-eight".