452148469 has 2 divisors, whose sum is σ = 452148470. Its totient is φ = 452148468.

The previous prime is 452148449. The next prime is 452148493. The reversal of 452148469 is 964841254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444788100 + 7360369 = 21090^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 452148469 - 2⁷ = 452148341 is a prime.

It is a super-2 number, since 2×452148469² = 408876476038087922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452148419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226074234 + 226074235.

It is an arithmetic number, because the mean of its divisors is an integer number (226074235).

Almost surely, 2^452148469 is an apocalyptic number.

It is an amenable number.

452148469 is a deficient number, since it is larger than the sum of its proper divisors (1).

452148469 is an equidigital number, since it uses as much as digits as its factorization.

452148469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 452148469 is about 21263.7830359511. The cubic root of 452148469 is about 767.5270463365.

The spelling of 452148469 in words is "four hundred fifty-two million, one hundred forty-eight thousand, four hundred sixty-nine".