4145320 has 32 divisors (see below), whose sum is σ = 9630720. Its totient is φ = 1604160.

The previous prime is 4145299. The next prime is 4145333. The reversal of 4145320 is 235414.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432 + ... + 2911.

It is an arithmetic number, because the mean of its divisors is an integer number (300960).

Almost surely, 2^4145320 is an apocalyptic number.

4145320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4145320 is an abundant number, since it is smaller than the sum of its proper divisors (5485400).

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

4145320 is a wasteful number, since it uses less digits than its factorization.

4145320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4145320 is about 2036.0058939011. The cubic root of 4145320 is about 160.6396270752.

It can be divided in two parts, 4145 and 320, that added together give a triangular number (4465 = T₉₄).

The spelling of 4145320 in words is "four million, one hundred forty-five thousand, three hundred twenty".