1105248144 has 160 divisors (see below), whose sum is σ = 3833754624. Its totient is φ = 264983040.

The previous prime is 1105248143. The next prime is 1105248161. The reversal of 1105248144 is 4418425011.

It is not an unprimeable number, because it can be changed into a prime (1105248143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36547 + ... + 59549.

Almost surely, 2^1105248144 is an apocalyptic number.

1105248144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105248144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916877312).

1105248144 is an abundant number, since it is smaller than the sum of its proper divisors (2728506480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105248144 is a wasteful number, since it uses less digits than its factorization.

1105248144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23045 (or 23039 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1105248144 is about 33245.2725060271. The cubic root of 1105248144 is about 1033.9191947499.

The spelling of 1105248144 in words is "one billion, one hundred five million, two hundred forty-eight thousand, one hundred forty-four".