1145144588 has 48 divisors (see below), whose sum is σ = 2370428928. Its totient is φ = 473688000.

The previous prime is 1145144563. The next prime is 1145144591. The reversal of 1145144588 is 8854415411.

It is a super-2 number, since 2×1145144588² = 2622712254851379488, which contains 22 as substring.

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, 372578 + ... + 375638.

It is an arithmetic number, because the mean of its divisors is an integer number (49383936).

Almost surely, 2^1145144588 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 1145144588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1185214464).

1145144588 is an abundant number, since it is smaller than the sum of its proper divisors (1225284340).

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

1145144588 is a wasteful number, since it uses less digits than its factorization.

1145144588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534 (or 3532 counting only the distinct ones).

The product of its digits is 102400, while the sum is 41.

The square root of 1145144588 is about 33839.9850472780. The cubic root of 1145144588 is about 1046.2129907112.

Adding to 1145144588 its reverse (8854415411), we get a palindrome (9999559999).

The spelling of 1145144588 in words is "one billion, one hundred forty-five million, one hundred forty-four thousand, five hundred eighty-eight".