1052544445 has 4 divisors (see below), whose sum is σ = 1263053340. Its totient is φ = 842035552.

The previous prime is 1052544433. The next prime is 1052544487. The reversal of 1052544445 is 5444452501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5444452501 = 12911 ⋅421691.

It can be written as a sum of positive squares in 2 ways, for example, as 138933369 + 913611076 = 11787^2 + 30226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052544445 - 2¹³ = 1052536253 is a prime.

It is a super-2 number, since 2×1052544445² = 2215699617400716050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052544445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105254440 + ... + 105254449.

It is an arithmetic number, because the mean of its divisors is an integer number (315763335).

Almost surely, 2^1052544445 is an apocalyptic number.

It is an amenable number.

1052544445 is a deficient number, since it is larger than the sum of its proper divisors (210508895).

1052544445 is an equidigital number, since it uses as much as digits as its factorization.

1052544445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210508894.

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 1052544445 is about 32442.9413740493. The cubic root of 1052544445 is about 1017.2166991751.

Adding to 1052544445 its reverse (5444452501), we get a palindrome (6496996946).

The spelling of 1052544445 in words is "one billion, fifty-two million, five hundred forty-four thousand, four hundred forty-five".