454143040 has 56 divisors (see below), whose sum is σ = 1164625560. Its totient is φ = 167682048.

The previous prime is 454143031. The next prime is 454143043. The reversal of 454143040 is 40341454.

It can be written as a sum of positive squares in 4 ways, for example, as 7750656 + 446392384 = 2784^2 + 21128^2 .

It is a junction number, because it is equal to n+sod(n) for n = 454142996 and 454143014.

It is not an unprimeable number, because it can be changed into a prime (454143043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50425 + ... + 58744.

It is an arithmetic number, because the mean of its divisors is an integer number (20796885).

Almost surely, 2^454143040 is an apocalyptic number.

454143040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454143040 is an abundant number, since it is smaller than the sum of its proper divisors (710482520).

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

454143040 is a wasteful number, since it uses less digits than its factorization.

454143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109199 (or 109189 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 454143040 is about 21310.6320882324. The cubic root of 454143040 is about 768.6539929899.

Adding to 454143040 its reverse (40341454), we get a palindrome (494484494).

The spelling of 454143040 in words is "four hundred fifty-four million, one hundred forty-three thousand, forty".