4145278 has 8 divisors (see below), whose sum is σ = 6226560. Its totient is φ = 2069760.

The previous prime is 4145261. The next prime is 4145291. The reversal of 4145278 is 8725414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2083 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (778320).

Almost surely, 2^4145278 is an apocalyptic number.

4145278 is a deficient number, since it is larger than the sum of its proper divisors (2081282).

4145278 is a wasteful number, since it uses less digits than its factorization.

4145278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882.

The product of its digits is 8960, while the sum is 31.

The square root of 4145278 is about 2035.9955795630. The cubic root of 4145278 is about 160.6390845447.

The spelling of 4145278 in words is "four million, one hundred forty-five thousand, two hundred seventy-eight".