4145694 has 48 divisors (see below), whose sum is σ = 9849600. Its totient is φ = 1159536.

The previous prime is 4145693. The next prime is 4145699. The reversal of 4145694 is 4965414.

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 (4145693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17227 + ... + 17465.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

Almost surely, 2^4145694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4145694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4924800).

4145694 is an abundant number, since it is smaller than the sum of its proper divisors (5703906).

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

4145694 is a wasteful number, since it uses less digits than its factorization.

4145694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 310 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 4145694 is about 2036.0977383220. The cubic root of 4145694 is about 160.6444580181.

The spelling of 4145694 in words is "four million, one hundred forty-five thousand, six hundred ninety-four".