10145645644 has 12 divisors (see below), whose sum is σ = 18526831344. Its totient is φ = 4852265264.

The previous prime is 10145645641. The next prime is 10145645651. The reversal of 10145645644 is 44654654101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10145645597 and 10145645606.

It is not an unprimeable number, because it can be changed into a prime (10145645641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55139287 + ... + 55139470.

It is an arithmetic number, because the mean of its divisors is an integer number (1543902612).

Almost surely, 2^10145645644 is an apocalyptic number.

It is an amenable number.

10145645644 is a deficient number, since it is larger than the sum of its proper divisors (8381185700).

10145645644 is a wasteful number, since it uses less digits than its factorization.

10145645644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110278784 (or 110278782 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 10145645644 in words is "ten billion, one hundred forty-five million, six hundred forty-five thousand, six hundred forty-four".