4145012 has 6 divisors (see below), whose sum is σ = 7253778. Its totient is φ = 2072504.

The previous prime is 4145003. The next prime is 4145017. The reversal of 4145012 is 2105414.

It can be written as a sum of positive squares in only one way, i.e., 3363556 + 781456 = 1834^2 + 884^2 .

It is a super-2 number, since 2×4145012² = 34362248960288, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518123 + ... + 518130.

It is an arithmetic number, because the mean of its divisors is an integer number (1208963).

Almost surely, 2^4145012 is an apocalyptic number.

It is an amenable number.

4145012 is a deficient number, since it is larger than the sum of its proper divisors (3108766).

4145012 is a wasteful number, since it uses less digits than its factorization.

4145012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036257 (or 1036255 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4145012 is about 2035.9302542081. The cubic root of 4145012 is about 160.6356484333.

The spelling of 4145012 in words is "four million, one hundred forty-five thousand, twelve".