201945473 has 8 divisors (see below), whose sum is σ = 210081600. Its totient is φ = 193887568.

The previous prime is 201945461. The next prime is 201945493. The reversal of 201945473 is 374549102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201945473 - 2⁸ = 201945217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201945413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14261 + ... + 24642.

It is an arithmetic number, because the mean of its divisors is an integer number (26260200).

Almost surely, 2^201945473 is an apocalyptic number.

It is an amenable number.

201945473 is a deficient number, since it is larger than the sum of its proper divisors (8136127).

201945473 is a wasteful number, since it uses less digits than its factorization.

201945473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39111.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 201945473 is about 14210.7520209171. The cubic root of 201945473 is about 586.6936315014.

The spelling of 201945473 in words is "two hundred one million, nine hundred forty-five thousand, four hundred seventy-three".