1045002453 has 16 divisors (see below), whose sum is σ = 1538320896. Its totient is φ = 625702640.

The previous prime is 1045002449. The next prime is 1045002463. The reversal of 1045002453 is 3542005401.

It is a cyclic number.

It is not a de Polignac number, because 1045002453 - 2² = 1045002449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045002463) 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 15 ways as a sum of consecutive naturals, for example, 188025 + ... + 193502.

It is an arithmetic number, because the mean of its divisors is an integer number (96145056).

Almost surely, 2^1045002453 is an apocalyptic number.

It is an amenable number.

1045002453 is a deficient number, since it is larger than the sum of its proper divisors (493318443).

1045002453 is a wasteful number, since it uses less digits than its factorization.

1045002453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381624.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1045002453 is about 32326.4976915224. The cubic root of 1045002453 is about 1014.7812556513.

Adding to 1045002453 its reverse (3542005401), we get a palindrome (4587007854).

It can be divided in two parts, 104500 and 2453, that added together give a triangular number (106953 = T₄₆₂).

The spelling of 1045002453 in words is "one billion, forty-five million, two thousand, four hundred fifty-three".