1453531045 has 4 divisors (see below), whose sum is σ = 1744237260. Its totient is φ = 1162824832.

The previous prime is 1453531043. The next prime is 1453531049. The reversal of 1453531045 is 5401353541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 969575044 + 483956001 = 31138^2 + 21999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453531045 - 2¹ = 1453531043 is a prime.

It is a super-2 number, since 2×1453531045² = 4225504997557584050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453530998 and 1453531016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453531043) 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 3 ways as a sum of consecutive naturals, for example, 145353100 + ... + 145353109.

It is an arithmetic number, because the mean of its divisors is an integer number (436059315).

Almost surely, 2^1453531045 is an apocalyptic number.

It is an amenable number.

1453531045 is a deficient number, since it is larger than the sum of its proper divisors (290706215).

1453531045 is an equidigital number, since it uses as much as digits as its factorization.

1453531045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290706214.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1453531045 is about 38125.2022289718. The cubic root of 1453531045 is about 1132.7692138241.

Adding to 1453531045 its reverse (5401353541), we get a palindrome (6854884586).

The spelling of 1453531045 in words is "one billion, four hundred fifty-three million, five hundred thirty-one thousand, forty-five".