4345140 has 48 divisors (see below), whose sum is σ = 12277440. Its totient is φ = 1148160.

The previous prime is 4345127. The next prime is 4345147. The reversal of 4345140 is 415434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345147) 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, 8080 + ... + 8600.

It is an arithmetic number, because the mean of its divisors is an integer number (255780).

Almost surely, 2^4345140 is an apocalyptic number.

It is a pronic number, being equal to 2084×2085.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4345140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6138720).

4345140 is an abundant number, since it is smaller than the sum of its proper divisors (7932300).

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

4345140 is a wasteful number, since it uses less digits than its factorization.

4345140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4345140 is about 2084.4999400336. The cubic root of 4345140 is about 163.1803741778.

The spelling of 4345140 in words is "four million, three hundred forty-five thousand, one hundred forty".