4145672 has 8 divisors (see below), whose sum is σ = 7773150. Its totient is φ = 2072832.

The previous prime is 4145653. The next prime is 4145677. The reversal of 4145672 is 2765414.

It can be written as a sum of positive squares in only one way, i.e., 3076516 + 1069156 = 1754^2 + 1034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 (4145677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259097 + ... + 259112.

Almost surely, 2^4145672 is an apocalyptic number.

It is an amenable number.

4145672 is a deficient number, since it is larger than the sum of its proper divisors (3627478).

4145672 is a wasteful number, since it uses less digits than its factorization.

4145672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518215 (or 518211 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 4145672 is about 2036.0923358237. The cubic root of 4145672 is about 160.6441738531.

The spelling of 4145672 in words is "four million, one hundred forty-five thousand, six hundred seventy-two".