4145854 has 4 divisors (see below), whose sum is σ = 6218784. Its totient is φ = 2072926.

The previous prime is 4145851. The next prime is 4145861. The reversal of 4145854 is 4585414.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036462 + ... + 1036465.

It is an arithmetic number, because the mean of its divisors is an integer number (1554696).

Almost surely, 2^4145854 is an apocalyptic number.

4145854 is a deficient number, since it is larger than the sum of its proper divisors (2072930).

4145854 is a wasteful number, since it uses less digits than its factorization.

4145854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072929.

The product of its digits is 12800, while the sum is 31.

The square root of 4145854 is about 2036.1370287876. The cubic root of 4145854 is about 160.6465246430.

The spelling of 4145854 in words is "four million, one hundred forty-five thousand, eight hundred fifty-four".