452130742 has 48 divisors (see below), whose sum is σ = 843913728. Its totient is φ = 180499200.

The previous prime is 452130727. The next prime is 452130743. The reversal of 452130742 is 247031254.

It is a super-2 number, since 2×452130742² = 408844415722941128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 452130742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452130743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166923 + ... + 169609.

It is an arithmetic number, because the mean of its divisors is an integer number (17581536).

Almost surely, 2^452130742 is an apocalyptic number.

452130742 is a deficient number, since it is larger than the sum of its proper divisors (391782986).

452130742 is a wasteful number, since it uses less digits than its factorization.

452130742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 452130742 is about 21263.3661963481. The cubic root of 452130742 is about 767.5170156123.

Adding to 452130742 its reverse (247031254), we get a palindrome (699161996).

The spelling of 452130742 in words is "four hundred fifty-two million, one hundred thirty thousand, seven hundred forty-two".