4145235616 has 12 divisors (see below), whose sum is σ = 8160932682. Its totient is φ = 2072617792.

The previous prime is 4145235607. The next prime is 4145235617. The reversal of 4145235616 is 6165325414.

It can be written as a sum of positive squares in only one way, i.e., 3600480016 + 544755600 = 60004^2 + 23340^2 .

It is not an unprimeable number, because it can be changed into a prime (4145235617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64769275 + ... + 64769338.

Almost surely, 2^4145235616 is an apocalyptic number.

It is an amenable number.

4145235616 is a deficient number, since it is larger than the sum of its proper divisors (4015697066).

4145235616 is a wasteful number, since it uses less digits than its factorization.

4145235616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129538623 (or 129538615 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 4145235616 is about 64383.5042227433. The cubic root of 4145235616 is about 1606.3853705024.

The spelling of 4145235616 in words is "four billion, one hundred forty-five million, two hundred thirty-five thousand, six hundred sixteen".