450343100 has 18 divisors (see below), whose sum is σ = 977244744. Its totient is φ = 180137200.

The previous prime is 450343097. The next prime is 450343109. The reversal of 450343100 is 1343054.

It is a super-2 number, since 2×450343100² = 405617815435220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450343109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2251616 + ... + 2251815.

Almost surely, 2^450343100 is an apocalyptic number.

It is an amenable number.

450343100 is an abundant number, since it is smaller than the sum of its proper divisors (526901644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450343100 is a wasteful number, since it uses less digits than its factorization.

450343100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503445 (or 4503438 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 450343100 is about 21221.2888392765. The cubic root of 450343100 is about 766.5041390408.

Adding to 450343100 its reverse (1343054), we get a palindrome (451686154).

The spelling of 450343100 in words is "four hundred fifty million, three hundred forty-three thousand, one hundred".