201499345 has 8 divisors (see below), whose sum is σ = 245111976. Its totient is φ = 158990976.

The previous prime is 201499339. The next prime is 201499367. The reversal of 201499345 is 543994102.

It can be written as a sum of positive squares in 4 ways, for example, as 92756161 + 108743184 = 9631^2 + 10428^2 .

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 201499345 - 2¹¹ = 201497297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275662 + ... + 276391.

It is an arithmetic number, because the mean of its divisors is an integer number (30638997).

Almost surely, 2^201499345 is an apocalyptic number.

It is an amenable number.

201499345 is a deficient number, since it is larger than the sum of its proper divisors (43612631).

201499345 is an equidigital number, since it uses as much as digits as its factorization.

201499345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552131.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 201499345 is about 14195.0464951687. The cubic root of 201499345 is about 586.2612814040.

The spelling of 201499345 in words is "two hundred one million, four hundred ninety-nine thousand, three hundred forty-five".