452142637 has 2 divisors, whose sum is σ = 452142638. Its totient is φ = 452142636.

The previous prime is 452142631. The next prime is 452142661. The reversal of 452142637 is 736241254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394777161 + 57365476 = 19869^2 + 7574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452142637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452142631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226071318 + 226071319.

It is an arithmetic number, because the mean of its divisors is an integer number (226071319).

Almost surely, 2^452142637 is an apocalyptic number.

It is an amenable number.

452142637 is a deficient number, since it is larger than the sum of its proper divisors (1).

452142637 is an equidigital number, since it uses as much as digits as its factorization.

452142637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 452142637 is about 21263.6459009268. The cubic root of 452142637 is about 767.5237463607.

The spelling of 452142637 in words is "four hundred fifty-two million, one hundred forty-two thousand, six hundred thirty-seven".