204151451 has 4 divisors (see below), whose sum is σ = 233315952. Its totient is φ = 174986952.

The previous prime is 204151421. The next prime is 204151477. The reversal of 204151451 is 154151402.

204151451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 204151451 - 2¹⁸ = 203889307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204151411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14582240 + ... + 14582253.

It is an arithmetic number, because the mean of its divisors is an integer number (58328988).

Almost surely, 2^204151451 is an apocalyptic number.

204151451 is a deficient number, since it is larger than the sum of its proper divisors (29164501).

204151451 is an equidigital number, since it uses as much as digits as its factorization.

204151451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29164500.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 204151451 is about 14288.1577188943. The cubic root of 204151451 is about 588.8221748178.

The spelling of 204151451 in words is "two hundred four million, one hundred fifty-one thousand, four hundred fifty-one".