10145645643 has 32 divisors (see below), whose sum is σ = 15888061440. Its totient is φ = 5637202560.

The previous prime is 10145645641. The next prime is 10145645651. The reversal of 10145645643 is 34654654101.

It is not a de Polignac number, because 10145645643 - 2¹ = 10145645641 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 1604458 + ... + 1610768.

It is an arithmetic number, because the mean of its divisors is an integer number (496501920).

Almost surely, 2^10145645643 is an apocalyptic number.

10145645643 is a deficient number, since it is larger than the sum of its proper divisors (5742415797).

10145645643 is a wasteful number, since it uses less digits than its factorization.

10145645643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 10145645643 in words is "ten billion, one hundred forty-five million, six hundred forty-five thousand, six hundred forty-three".