450531109 has 8 divisors (see below), whose sum is σ = 518598080. Its totient is φ = 383390496.

The previous prime is 450531079. The next prime is 450531131. The reversal of 450531109 is 901135054.

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 450531109 - 2¹⁷ = 450400037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450532109) 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, 230544 + ... + 232489.

It is an arithmetic number, because the mean of its divisors is an integer number (64824760).

Almost surely, 2^450531109 is an apocalyptic number.

It is an amenable number.

450531109 is a deficient number, since it is larger than the sum of its proper divisors (68066971).

450531109 is a wasteful number, since it uses less digits than its factorization.

450531109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463179.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 450531109 is about 21225.7181032822. The cubic root of 450531109 is about 766.6107907818.

The spelling of 450531109 in words is "four hundred fifty million, five hundred thirty-one thousand, one hundred nine".