452313140 has 12 divisors (see below), whose sum is σ = 949857636. Its totient is φ = 180925248.

The previous prime is 452313119. The next prime is 452313143. The reversal of 452313140 is 41313254.

It can be written as a sum of positive squares in 2 ways, for example, as 108284836 + 344028304 = 10406^2 + 18548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452313143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11307809 + ... + 11307848.

It is an arithmetic number, because the mean of its divisors is an integer number (79154803).

Almost surely, 2^452313140 is an apocalyptic number.

It is an amenable number.

452313140 is an abundant number, since it is smaller than the sum of its proper divisors (497544496).

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

452313140 is a wasteful number, since it uses less digits than its factorization.

452313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22615666 (or 22615664 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 452313140 is about 21267.6547837320. The cubic root of 452313140 is about 767.6202119775.

Adding to 452313140 its reverse (41313254), we get a palindrome (493626394).

The spelling of 452313140 in words is "four hundred fifty-two million, three hundred thirteen thousand, one hundred forty".