452123505 has 32 divisors (see below), whose sum is σ = 806467200. Its totient is φ = 240325056.

The previous prime is 452123501. The next prime is 452123513. The reversal of 452123505 is 505321254.

It is a happy number.

It is not a de Polignac number, because 452123505 - 2² = 452123501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (452123501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35991 + ... + 46899.

It is an arithmetic number, because the mean of its divisors is an integer number (25202100).

Almost surely, 2^452123505 is an apocalyptic number.

452123505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

452123505 is a deficient number, since it is larger than the sum of its proper divisors (354343695).

452123505 is a wasteful number, since it uses less digits than its factorization.

452123505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11230 (or 11224 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 452123505 is about 21263.1960203540. The cubic root of 452123505 is about 767.5129205208.

Adding to 452123505 its reverse (505321254), we get a palindrome (957444759).

The spelling of 452123505 in words is "four hundred fifty-two million, one hundred twenty-three thousand, five hundred five".