1105144457 has 8 divisors (see below), whose sum is σ = 1153720896. Its totient is φ = 1056611952.

The previous prime is 1105144429. The next prime is 1105144487. The reversal of 1105144457 is 7544415011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105144457 - 2³⁰ = 31402633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105144487) 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, 47003 + ... + 66479.

It is an arithmetic number, because the mean of its divisors is an integer number (144215112).

Almost surely, 2^1105144457 is an apocalyptic number.

It is an amenable number.

1105144457 is a deficient number, since it is larger than the sum of its proper divisors (48576439).

1105144457 is a wasteful number, since it uses less digits than its factorization.

1105144457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21967.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 1105144457 is about 33243.7130447247. The cubic root of 1105144457 is about 1033.8868619407.

Adding to 1105144457 its reverse (7544415011), we get a palindrome (8649559468).

The spelling of 1105144457 in words is "one billion, one hundred five million, one hundred forty-four thousand, four hundred fifty-seven".