4145890172 has 24 divisors (see below), whose sum is σ = 7395628800. Its totient is φ = 2033213616.

The previous prime is 4145890171. The next prime is 4145890211. The reversal of 4145890172 is 2710985414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145890171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 91067.

It is an arithmetic number, because the mean of its divisors is an integer number (308151200).

Almost surely, 2^4145890172 is an apocalyptic number.

It is an amenable number.

4145890172 is a deficient number, since it is larger than the sum of its proper divisors (3249738628).

4145890172 is a wasteful number, since it uses less digits than its factorization.

4145890172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90065 (or 90063 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 4145890172 is about 64388.5872806664. The cubic root of 4145890172 is about 1606.4699184783.

The spelling of 4145890172 in words is "four billion, one hundred forty-five million, eight hundred ninety thousand, one hundred seventy-two".