453143540 has 24 divisors (see below), whose sum is σ = 1001686560. Its totient is φ = 171717408.

The previous prime is 453143533. The next prime is 453143543. The reversal of 453143540 is 45341354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453143543) 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, 595862 + ... + 596621.

It is an arithmetic number, because the mean of its divisors is an integer number (41736940).

Almost surely, 2^453143540 is an apocalyptic number.

It is an amenable number.

453143540 is an abundant number, since it is smaller than the sum of its proper divisors (548543020).

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

453143540 is a wasteful number, since it uses less digits than its factorization.

453143540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192511 (or 1192509 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 453143540 is about 21287.1684354683. The cubic root of 453143540 is about 768.0896818195.

Adding to 453143540 its reverse (45341354), we get a palindrome (498484894).

The spelling of 453143540 in words is "four hundred fifty-three million, one hundred forty-three thousand, five hundred forty".