4145085 has 24 divisors (see below), whose sum is σ = 8211840. Its totient is φ = 1894752.

The previous prime is 4145069. The next prime is 4145111. The reversal of 4145085 is 5805414.

It is not a de Polignac number, because 4145085 - 2⁴ = 4145069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6265 + ... + 6894.

It is an arithmetic number, because the mean of its divisors is an integer number (342160).

Almost surely, 2^4145085 is an apocalyptic number.

4145085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4145085 is a deficient number, since it is larger than the sum of its proper divisors (4066755).

4145085 is a wasteful number, since it uses less digits than its factorization.

4145085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177 (or 13174 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4145085 is about 2035.9481820518. The cubic root of 4145085 is about 160.6365914409.

The spelling of 4145085 in words is "four million, one hundred forty-five thousand, eighty-five".