1453245453 has 18 divisors (see below), whose sum is σ = 2307312462. Its totient is φ = 880754160.

The previous prime is 1453245407. The next prime is 1453245481. The reversal of 1453245453 is 3545423541.

It can be written as a sum of positive squares in only one way, i.e., 1303354404 + 149891049 = 36102^2 + 12243^2 .

It is not a de Polignac number, because 1453245453 - 2¹² = 1453241357 is a prime.

It is a super-2 number, since 2×1453245453² = 4223844693330350418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453245403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 666150 + ... + 668327.

Almost surely, 2^1453245453 is an apocalyptic number.

It is an amenable number.

1453245453 is a deficient number, since it is larger than the sum of its proper divisors (854067009).

1453245453 is a wasteful number, since it uses less digits than its factorization.

1453245453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334505 (or 1334491 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 1453245453 is about 38121.4565959907. The cubic root of 1453245453 is about 1132.6950195561.

Adding to 1453245453 its reverse (3545423541), we get a palindrome (4998668994).

The spelling of 1453245453 in words is "one billion, four hundred fifty-three million, two hundred forty-five thousand, four hundred fifty-three".