4145730 has 16 divisors (see below), whose sum is σ = 9949824. Its totient is φ = 1105520.

The previous prime is 4145717. The next prime is 4145731. The reversal of 4145730 is 375414.

It is a self number, because there is not a number n which added to its sum of digits gives 4145730.

It is not an unprimeable number, because it can be changed into a prime (4145731) 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, 69066 + ... + 69125.

It is an arithmetic number, because the mean of its divisors is an integer number (621864).

Almost surely, 2^4145730 is an apocalyptic number.

4145730 is an abundant number, since it is smaller than the sum of its proper divisors (5804094).

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

4145730 is a wasteful number, since it uses less digits than its factorization.

4145730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138201.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 4145730 is about 2036.1065787429. The cubic root of 4145730 is about 160.6449230134.

The spelling of 4145730 in words is "four million, one hundred forty-five thousand, seven hundred thirty".