204156115 has 8 divisors (see below), whose sum is σ = 245093760. Its totient is φ = 163253952.

The previous prime is 204156103. The next prime is 204156137. The reversal of 204156115 is 511651402.

It is a happy number.

204156115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204156115 - 2¹⁵ = 204123347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204156115.

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, 6087 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (30636720).

Almost surely, 2^204156115 is an apocalyptic number.

204156115 is a deficient number, since it is larger than the sum of its proper divisors (40937645).

204156115 is a wasteful number, since it uses less digits than its factorization.

204156115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17741.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 204156115 is about 14288.3209300463. The cubic root of 204156115 is about 588.8266588185.

The spelling of 204156115 in words is "two hundred four million, one hundred fifty-six thousand, one hundred fifteen".