453344121 has 10 divisors (see below), whose sum is σ = 677217882. Its totient is φ = 302229360.

The previous prime is 453344113. The next prime is 453344149. The reversal of 453344121 is 121443354.

It is a happy number.

453344121 is a `hidden beast` number, since 4 + 533 + 4 + 4 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 381772521 + 71571600 = 19539^2 + 8460^2 .

It is not a de Polignac number, because 453344121 - 2³ = 453344113 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (453344621) 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 9 ways as a sum of consecutive naturals, for example, 2798340 + ... + 2798501.

Almost surely, 2^453344121 is an apocalyptic number.

It is an amenable number.

453344121 is a deficient number, since it is larger than the sum of its proper divisors (223873761).

453344121 is an equidigital number, since it uses as much as digits as its factorization.

453344121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596853 (or 5596844 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 453344121 is about 21291.8792265972. The cubic root of 453344121 is about 768.2029950464.

Adding to 453344121 its reverse (121443354), we get a palindrome (574787475).

It can be divided in two parts, 45334 and 4121, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 453344121 in words is "four hundred fifty-three million, three hundred forty-four thousand, one hundred twenty-one".