1146988544 has 96 divisors (see below), whose sum is σ = 2510595360. Its totient is φ = 520667136.

The previous prime is 1146988519. The next prime is 1146988547. The reversal of 1146988544 is 4458896411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1146988492 and 1146988501.

It is not an unprimeable number, because it can be changed into a prime (1146988547) 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, 1783487 + ... + 1784129.

It is an arithmetic number, because the mean of its divisors is an integer number (26152035).

Almost surely, 2^1146988544 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 1146988544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255297680).

1146988544 is an abundant number, since it is smaller than the sum of its proper divisors (1363606816).

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

1146988544 is an equidigital number, since it uses as much as digits as its factorization.

1146988544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 725 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 1146988544 is about 33867.2193130762. The cubic root of 1146988544 is about 1046.7742404119.

The spelling of 1146988544 in words is "one billion, one hundred forty-six million, nine hundred eighty-eight thousand, five hundred forty-four".