1044425453 has 4 divisors (see below), whose sum is σ = 1048196220. Its totient is φ = 1040654688.

The previous prime is 1044425443. The next prime is 1044425461. The reversal of 1044425453 is 3545244401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3545244401 = 12911 ⋅274591.

It can be written as a sum of positive squares in 2 ways, for example, as 697646569 + 346778884 = 26413^2 + 18622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044425453 - 2¹⁶ = 1044359917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044425443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884968 + ... + 1885521.

It is an arithmetic number, because the mean of its divisors is an integer number (262049055).

Almost surely, 2^1044425453 is an apocalyptic number.

It is an amenable number.

1044425453 is a deficient number, since it is larger than the sum of its proper divisors (3770767).

1044425453 is an equidigital number, since it uses as much as digits as its factorization.

1044425453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770766.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 1044425453 is about 32317.5718920837. The cubic root of 1044425453 is about 1014.5944501617.

Adding to 1044425453 its reverse (3545244401), we get a palindrome (4589669854).

The spelling of 1044425453 in words is "one billion, forty-four million, four hundred twenty-five thousand, four hundred fifty-three".