453135720 has 128 divisors (see below), whose sum is σ = 1403360640. Its totient is φ = 116981760.

The previous prime is 453135689. The next prime is 453135721. The reversal of 453135720 is 27531354.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (453135721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706600 + ... + 707240.

It is an arithmetic number, because the mean of its divisors is an integer number (10963755).

Almost surely, 2^453135720 is an apocalyptic number.

453135720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453135720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701680320).

453135720 is an abundant number, since it is smaller than the sum of its proper divisors (950224920).

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

453135720 is a wasteful number, since it uses less digits than its factorization.

453135720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 453135720 is about 21286.9847559489. The cubic root of 453135720 is about 768.0852634287.

The spelling of 453135720 in words is "four hundred fifty-three million, one hundred thirty-five thousand, seven hundred twenty".