1153101444 has 72 divisors (see below), whose sum is σ = 2990967840. Its totient is φ = 345459840.

The previous prime is 1153101421. The next prime is 1153101461. The reversal of 1153101444 is 4441013511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124767 + ... + 133689.

It is an arithmetic number, because the mean of its divisors is an integer number (41541220).

Almost surely, 2^1153101444 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 1153101444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495483920).

1153101444 is an abundant number, since it is smaller than the sum of its proper divisors (1837866396).

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

1153101444 is a wasteful number, since it uses less digits than its factorization.

1153101444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041 (or 9028 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1153101444 is about 33957.3474229069. The cubic root of 1153101444 is about 1048.6305484705.

Adding to 1153101444 its reverse (4441013511), we get a palindrome (5594114955).

The spelling of 1153101444 in words is "one billion, one hundred fifty-three million, one hundred one thousand, four hundred forty-four".