201715045 has 16 divisors (see below), whose sum is σ = 280143360. Its totient is φ = 136566144.

The previous prime is 201715027. The next prime is 201715051. The reversal of 201715045 is 540517102.

201715045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201715045 - 2⁹ = 201714533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33712 + ... + 39241.

It is an arithmetic number, because the mean of its divisors is an integer number (17508960).

Almost surely, 2^201715045 is an apocalyptic number.

It is an amenable number.

201715045 is a deficient number, since it is larger than the sum of its proper divisors (78428315).

201715045 is an equidigital number, since it uses as much as digits as its factorization.

201715045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73044.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 201715045 is about 14202.6421837629. The cubic root of 201715045 is about 586.4703994740.

The spelling of 201715045 in words is "two hundred one million, seven hundred fifteen thousand, forty-five".