4145780 has 24 divisors (see below), whose sum is σ = 8800008. Its totient is φ = 1640448.

The previous prime is 4145777. The next prime is 4145783. The reversal of 4145780 is 875414.

It is an interprime number because it is at equal distance from previous prime (4145777) and next prime (4145783).

It can be written as a sum of positive squares in 4 ways, for example, as 484 + 4145296 = 22^2 + 2036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (366667).

Almost surely, 2^4145780 is an apocalyptic number.

It is an amenable number.

4145780 is an abundant number, since it is smaller than the sum of its proper divisors (4654228).

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

4145780 is a wasteful number, since it uses less digits than its factorization.

4145780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243 (or 2241 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 4145780 is about 2036.1188570415. The cubic root of 4145780 is about 160.6455688356.

The spelling of 4145780 in words is "four million, one hundred forty-five thousand, seven hundred eighty".