4145869 has 16 divisors (see below), whose sum is σ = 5281920. Its totient is φ = 3165120.

The previous prime is 4145863. The next prime is 4145873. The reversal of 4145869 is 9685414.

It is a happy number.

It is not a de Polignac number, because 4145869 - 2³ = 4145861 is a prime.

It is a super-2 number, since 2×4145869² = 34376459530322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 15 ways as a sum of consecutive naturals, for example, 1854 + ... + 3424.

It is an arithmetic number, because the mean of its divisors is an integer number (330120).

Almost surely, 2^4145869 is an apocalyptic number.

It is an amenable number.

4145869 is a deficient number, since it is larger than the sum of its proper divisors (1136051).

4145869 is a wasteful number, since it uses less digits than its factorization.

4145869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620.

The product of its digits is 34560, while the sum is 37.

The square root of 4145869 is about 2036.1407122299. The cubic root of 4145869 is about 160.6467183863.

The spelling of 4145869 in words is "four million, one hundred forty-five thousand, eight hundred sixty-nine".