4145850 has 96 divisors (see below), whose sum is σ = 11874240. Its totient is φ = 1062720.

The previous prime is 4145849. The next prime is 4145851. The reversal of 4145850 is 585414.

It is an interprime number because it is at equal distance from previous prime (4145849) and next prime (4145851).

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (4145851) 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 47 ways as a sum of consecutive naturals, for example, 49909 + ... + 49991.

It is an arithmetic number, because the mean of its divisors is an integer number (123690).

Almost surely, 2^4145850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4145850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5937120).

4145850 is an abundant number, since it is smaller than the sum of its proper divisors (7728390).

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

4145850 is a wasteful number, since it uses less digits than its factorization.

4145850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 130 counting only the distinct ones).

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

The square root of 4145850 is about 2036.1360465352. The cubic root of 4145850 is about 160.6464729780.

The spelling of 4145850 in words is "four million, one hundred forty-five thousand, eight hundred fifty".