453142140 has 96 divisors (see below), whose sum is σ = 1465599744. Its totient is φ = 103388160.

The previous prime is 453142133. The next prime is 453142169. The reversal of 453142140 is 41241354.

It is a self number, because there is not a number n which added to its sum of digits gives 453142140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8974 + ... + 31413.

It is an arithmetic number, because the mean of its divisors is an integer number (15266664).

Almost surely, 2^453142140 is an apocalyptic number.

It is an amenable number.

453142140 is an abundant number, since it is smaller than the sum of its proper divisors (1012457604).

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

453142140 is a wasteful number, since it uses less digits than its factorization.

453142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40427 (or 40425 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 453142140 is about 21287.1355517834. The cubic root of 453142140 is about 768.0888908070.

Adding to 453142140 its reverse (41241354), we get a palindrome (494383494).

The spelling of 453142140 in words is "four hundred fifty-three million, one hundred forty-two thousand, one hundred forty".