201395145 has 24 divisors (see below), whose sum is σ = 374842944. Its totient is φ = 92066016.

The previous prime is 201395093. The next prime is 201395167. The reversal of 201395145 is 541593102.

It is not a de Polignac number, because 201395145 - 2¹⁵ = 201362377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136269 + ... + 137738.

It is an arithmetic number, because the mean of its divisors is an integer number (15618456).

Almost surely, 2^201395145 is an apocalyptic number.

It is an amenable number.

201395145 is a deficient number, since it is larger than the sum of its proper divisors (173447799).

201395145 is a wasteful number, since it uses less digits than its factorization.

201395145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274029 (or 274022 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 201395145 is about 14191.3757261232. The cubic root of 201395145 is about 586.1602075294.

The spelling of 201395145 in words is "two hundred one million, three hundred ninety-five thousand, one hundred forty-five".