1105453445 has 4 divisors (see below), whose sum is σ = 1326544140. Its totient is φ = 884362752.

The previous prime is 1105453423. The next prime is 1105453451. The reversal of 1105453445 is 5443545011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5443545011 = 19 ⋅286502369.

It can be written as a sum of positive squares in 2 ways, for example, as 136936804 + 968516641 = 11702^2 + 31121^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105453445 - 2⁸ = 1105453189 is a prime.

It is a Curzon number.

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, 110545340 + ... + 110545349.

It is an arithmetic number, because the mean of its divisors is an integer number (331636035).

Almost surely, 2^1105453445 is an apocalyptic number.

It is an amenable number.

1105453445 is a deficient number, since it is larger than the sum of its proper divisors (221090695).

1105453445 is an equidigital number, since it uses as much as digits as its factorization.

1105453445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221090694.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1105453445 is about 33248.3600347446. The cubic root of 1105453445 is about 1033.9832079775.

Adding to 1105453445 its reverse (5443545011), we get a palindrome (6548998456).

The spelling of 1105453445 in words is "one billion, one hundred five million, four hundred fifty-three thousand, four hundred forty-five".