453143020 has 24 divisors (see below), whose sum is σ = 1038109968. Its totient is φ = 164779200.

The previous prime is 453142931. The next prime is 453143023. The reversal of 453143020 is 20341354.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 453142982 and 453143000.

It is not an unprimeable number, because it can be changed into a prime (453143023) 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, 1029651 + ... + 1030090.

It is an arithmetic number, because the mean of its divisors is an integer number (43254582).

Almost surely, 2^453143020 is an apocalyptic number.

It is an amenable number.

453143020 is an abundant number, since it is smaller than the sum of its proper divisors (584966948).

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

453143020 is a wasteful number, since it uses less digits than its factorization.

453143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059761 (or 2059759 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 453143020 is about 21287.1562215341. The cubic root of 453143020 is about 768.0893880151.

Adding to 453143020 its reverse (20341354), we get a palindrome (473484374).

The spelling of 453143020 in words is "four hundred fifty-three million, one hundred forty-three thousand, twenty".