145085643 has 6 divisors (see below), whose sum is σ = 209568164. Its totient is φ = 96723756.

The previous prime is 145085641. The next prime is 145085651. The reversal of 145085643 is 346580541.

It is a happy number.

145085643 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 8 + 5 + 643 = 666.

145085643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145085643 - 2¹ = 145085641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145085598 and 145085607.

It is not an unprimeable number, because it can be changed into a prime (145085641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8060305 + ... + 8060322.

Almost surely, 2^145085643 is an apocalyptic number.

145085643 is a deficient number, since it is larger than the sum of its proper divisors (64482521).

145085643 is a wasteful number, since it uses less digits than its factorization.

145085643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120633 (or 16120630 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 145085643 is about 12045.1501858632. The cubic root of 145085643 is about 525.4621997716.

The spelling of 145085643 in words is "one hundred forty-five million, eighty-five thousand, six hundred forty-three".