133254453 has 4 divisors (see below), whose sum is σ = 177672608. Its totient is φ = 88836300.

The previous prime is 133254403. The next prime is 133254487. The reversal of 133254453 is 354452331.

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 not a de Polignac number, because 133254453 - 2⁶ = 133254389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133254453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133254403) 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, 22209073 + ... + 22209078.

It is an arithmetic number, because the mean of its divisors is an integer number (44418152).

Almost surely, 2^133254453 is an apocalyptic number.

It is an amenable number.

133254453 is a deficient number, since it is larger than the sum of its proper divisors (44418155).

133254453 is an equidigital number, since it uses as much as digits as its factorization.

133254453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44418154.

The product of its digits is 21600, while the sum is 30.

The square root of 133254453 is about 11543.5892598446. The cubic root of 133254453 is about 510.7721904832.

The spelling of 133254453 in words is "one hundred thirty-three million, two hundred fifty-four thousand, four hundred fifty-three".