453140140 has 12 divisors (see below), whose sum is σ = 951594336. Its totient is φ = 181256048.

The previous prime is 453140131. The next prime is 453140143. The reversal of 453140140 is 41041354.

It is not an unprimeable number, because it can be changed into a prime (453140143) 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, 11328484 + ... + 11328523.

It is an arithmetic number, because the mean of its divisors is an integer number (79299528).

Almost surely, 2^453140140 is an apocalyptic number.

It is an amenable number.

453140140 is an abundant number, since it is smaller than the sum of its proper divisors (498454196).

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

453140140 is a wasteful number, since it uses less digits than its factorization.

453140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22657016 (or 22657014 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 453140140 is about 21287.0885750025. The cubic root of 453140140 is about 768.0877607863.

Adding to 453140140 its reverse (41041354), we get a palindrome (494181494).

The spelling of 453140140 in words is "four hundred fifty-three million, one hundred forty thousand, one hundred forty".