452525140 has 12 divisors (see below), whose sum is σ = 950302836. Its totient is φ = 181010048.

The previous prime is 452525137. The next prime is 452525141. The reversal of 452525140 is 41525254.

It can be written as a sum of positive squares in 2 ways, for example, as 102535876 + 349989264 = 10126^2 + 18708^2 .

It is a junction number, because it is equal to n+sod(n) for n = 452525099 and 452525108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452525141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11313109 + ... + 11313148.

It is an arithmetic number, because the mean of its divisors is an integer number (79191903).

Almost surely, 2^452525140 is an apocalyptic number.

It is an amenable number.

452525140 is an abundant number, since it is smaller than the sum of its proper divisors (497777696).

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

452525140 is a wasteful number, since it uses less digits than its factorization.

452525140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22626266 (or 22626264 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 452525140 is about 21272.6382942972. The cubic root of 452525140 is about 767.7401215802.

The spelling of 452525140 in words is "four hundred fifty-two million, five hundred twenty-five thousand, one hundred forty".