453542399 has 4 divisors (see below), whose sum is σ = 453673464. Its totient is φ = 453411336.

The previous prime is 453542393. The next prime is 453542423. The reversal of 453542399 is 993245354.

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

It is a cyclic number.

It is not a de Polignac number, because 453542399 - 2²⁰ = 452493823 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 (453542393) 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, 60197 + ... + 67310.

It is an arithmetic number, because the mean of its divisors is an integer number (113418366).

Almost surely, 2^453542399 is an apocalyptic number.

453542399 is a deficient number, since it is larger than the sum of its proper divisors (131065).

453542399 is a wasteful number, since it uses less digits than its factorization.

453542399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131064.

The product of its digits is 583200, while the sum is 44.

The square root of 453542399 is about 21296.5349059419. The cubic root of 453542399 is about 768.3149744056.

The spelling of 453542399 in words is "four hundred fifty-three million, five hundred forty-two thousand, three hundred ninety-nine".