1452844457 has 4 divisors (see below), whose sum is σ = 1453554180. Its totient is φ = 1452134736.

The previous prime is 1452844451. The next prime is 1452844469. The reversal of 1452844457 is 7544482541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7544482541 = 79 ⋅95499779.

It can be written as a sum of positive squares in 2 ways, for example, as 1058265961 + 394578496 = 32531^2 + 19864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452844457 - 2⁴ = 1452844441 is a prime.

It is a super-3 number, since 3×1452844457³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452844451) 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, 351782 + ... + 355887.

It is an arithmetic number, because the mean of its divisors is an integer number (363388545).

Almost surely, 2^1452844457 is an apocalyptic number.

It is an amenable number.

1452844457 is a deficient number, since it is larger than the sum of its proper divisors (709723).

1452844457 is an equidigital number, since it uses as much as digits as its factorization.

1452844457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709722.

The product of its digits is 716800, while the sum is 44.

The square root of 1452844457 is about 38116.1967803715. The cubic root of 1452844457 is about 1132.5908279451.

It can be divided in two parts, 14528 and 44457, that added together give a palindrome (58985).

The spelling of 1452844457 in words is "one billion, four hundred fifty-two million, eight hundred forty-four thousand, four hundred fifty-seven".