450155233 has 4 divisors (see below), whose sum is σ = 491078448. Its totient is φ = 409232020.

The previous prime is 450155203. The next prime is 450155243. The reversal of 450155233 is 332551054.

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 not a de Polignac number, because 450155233 - 2¹³ = 450147041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450155203) 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, 20461591 + ... + 20461612.

It is an arithmetic number, because the mean of its divisors is an integer number (122769612).

Almost surely, 2^450155233 is an apocalyptic number.

It is an amenable number.

450155233 is a deficient number, since it is larger than the sum of its proper divisors (40923215).

450155233 is a wasteful number, since it uses less digits than its factorization.

450155233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40923214.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 450155233 is about 21216.8619970061. The cubic root of 450155233 is about 766.3975381982.

The spelling of 450155233 in words is "four hundred fifty million, one hundred fifty-five thousand, two hundred thirty-three".