450689153 has 4 divisors (see below), whose sum is σ = 450876228. Its totient is φ = 450502080.

The previous prime is 450689143. The next prime is 450689171. The reversal of 450689153 is 351986054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 246113344 + 204575809 = 15688^2 + 14303^2 .

It is a cyclic number.

It is not a de Polignac number, because 450689153 - 2²⁶ = 383580289 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 450689153.

It is not an unprimeable number, because it can be changed into a prime (450689143) 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, 89876 + ... + 94757.

It is an arithmetic number, because the mean of its divisors is an integer number (112719057).

Almost surely, 2^450689153 is an apocalyptic number.

It is an amenable number.

450689153 is a deficient number, since it is larger than the sum of its proper divisors (187075).

450689153 is a wasteful number, since it uses less digits than its factorization.

450689153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187074.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 450689153 is about 21229.4407133113. The cubic root of 450689153 is about 766.7004213452.

The spelling of 450689153 in words is "four hundred fifty million, six hundred eighty-nine thousand, one hundred fifty-three".