453155243 has 8 divisors (see below), whose sum is σ = 466192512. Its totient is φ = 440159616.

The previous prime is 453155239. The next prime is 453155249. The reversal of 453155243 is 342551354.

It is a happy number.

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 453155243 - 2² = 453155239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453155249) 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, 12371 + ... + 32547.

It is an arithmetic number, because the mean of its divisors is an integer number (58274064).

Almost surely, 2^453155243 is an apocalyptic number.

453155243 is a deficient number, since it is larger than the sum of its proper divisors (13037269).

453155243 is a wasteful number, since it uses less digits than its factorization.

453155243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20821.

The product of its digits is 36000, while the sum is 32.

The square root of 453155243 is about 21287.4433175992. The cubic root of 453155243 is about 768.0962940556.

The spelling of 453155243 in words is "four hundred fifty-three million, one hundred fifty-five thousand, two hundred forty-three".