1105745439 has 8 divisors (see below), whose sum is σ = 1485936640. Its totient is φ = 731358936.

The previous prime is 1105745419. The next prime is 1105745513. The reversal of 1105745439 is 9345475011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1105745439 - 2⁸ = 1105745183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105745397 and 1105745406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105745419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450729 + ... + 1451490.

It is an arithmetic number, because the mean of its divisors is an integer number (185742080).

Almost surely, 2^1105745439 is an apocalyptic number.

1105745439 is a deficient number, since it is larger than the sum of its proper divisors (380191201).

1105745439 is a wasteful number, since it uses less digits than its factorization.

1105745439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902349.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 1105745439 is about 33252.7508486140. The cubic root of 1105745439 is about 1034.0742385905.

The spelling of 1105745439 in words is "one billion, one hundred five million, seven hundred forty-five thousand, four hundred thirty-nine".