204151453 has 16 divisors (see below), whose sum is σ = 236545920. Its totient is φ = 174131200.

The previous prime is 204151421. The next prime is 204151477. The reversal of 204151453 is 354151402.

It is a happy number.

204151453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204151453 - 2⁵ = 204151421 is a prime.

It is a super-2 number, since 2×204151453² = 83355631524022418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204151153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65613 + ... + 68653.

It is an arithmetic number, because the mean of its divisors is an integer number (14784120).

Almost surely, 2^204151453 is an apocalyptic number.

It is an amenable number.

204151453 is a deficient number, since it is larger than the sum of its proper divisors (32394467).

204151453 is a wasteful number, since it uses less digits than its factorization.

204151453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 204151453 is about 14288.1577888824. The cubic root of 204151453 is about 588.8221767406.

The spelling of 204151453 in words is "two hundred four million, one hundred fifty-one thousand, four hundred fifty-three".