133155453 has 8 divisors (see below), whose sum is σ = 177611616. Its totient is φ = 88734800.

The previous prime is 133155437. The next prime is 133155469. The reversal of 133155453 is 354551331.

It is an interprime number because it is at equal distance from previous prime (133155437) and next prime (133155469).

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 133155453 - 2⁴ = 133155437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133155453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133155433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663 + ... + 16403.

It is an arithmetic number, because the mean of its divisors is an integer number (22201452).

Almost surely, 2^133155453 is an apocalyptic number.

It is an amenable number.

133155453 is a deficient number, since it is larger than the sum of its proper divisors (44456163).

133155453 is a wasteful number, since it uses less digits than its factorization.

133155453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17755.

The product of its digits is 13500, while the sum is 30.

The square root of 133155453 is about 11539.3003687399. The cubic root of 133155453 is about 510.6456681957.

The spelling of 133155453 in words is "one hundred thirty-three million, one hundred fifty-five thousand, four hundred fifty-three".