4145658 has 32 divisors (see below), whose sum is σ = 9441792. Its totient is φ = 1201200.

The previous prime is 4145653. The next prime is 4145677. The reversal of 4145658 is 8565414.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 (4145653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (295056).

Almost surely, 2^4145658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4145658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4720896).

4145658 is an abundant number, since it is smaller than the sum of its proper divisors (5296134).

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

4145658 is a wasteful number, since it uses less digits than its factorization.

4145658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770.

The product of its digits is 19200, while the sum is 33.

The square root of 4145658 is about 2036.0888978628. The cubic root of 4145658 is about 160.6439930202.

It can be divided in two parts, 41456 and 58, that added together give a palindrome (41514).

The spelling of 4145658 in words is "four million, one hundred forty-five thousand, six hundred fifty-eight".