201455453 has 4 divisors (see below), whose sum is σ = 207954048. Its totient is φ = 194956860.

The previous prime is 201455411. The next prime is 201455477. The reversal of 201455453 is 354554102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201455453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201455053) 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, 3249251 + ... + 3249312.

It is an arithmetic number, because the mean of its divisors is an integer number (51988512).

Almost surely, 2^201455453 is an apocalyptic number.

It is an amenable number.

201455453 is a deficient number, since it is larger than the sum of its proper divisors (6498595).

201455453 is an equidigital number, since it uses as much as digits as its factorization.

201455453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498594.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 201455453 is about 14193.5003786945. The cubic root of 201455453 is about 586.2187104654.

The spelling of 201455453 in words is "two hundred one million, four hundred fifty-five thousand, four hundred fifty-three".