1115346144 has 96 divisors (see below), whose sum is σ = 3201012864. Its totient is φ = 337236480.

The previous prime is 1115346137. The next prime is 1115346157. The reversal of 1115346144 is 4416435111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646467 + ... + 648189.

It is an arithmetic number, because the mean of its divisors is an integer number (33343884).

Almost surely, 2^1115346144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115346144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600506432).

1115346144 is an abundant number, since it is smaller than the sum of its proper divisors (2085666720).

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

1115346144 is a wasteful number, since it uses less digits than its factorization.

1115346144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360 (or 2352 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1115346144 is about 33396.7984094284. The cubic root of 1115346144 is about 1037.0584234748.

The spelling of 1115346144 in words is "one billion, one hundred fifteen million, three hundred forty-six thousand, one hundred forty-four".