1145242464 has 24 divisors (see below), whose sum is σ = 3006261720. Its totient is φ = 381747456.

The previous prime is 1145242433. The next prime is 1145242481. The reversal of 1145242464 is 4642425411.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5964709 + ... + 5964900.

It is an arithmetic number, because the mean of its divisors is an integer number (125260905).

Almost surely, 2^1145242464 is an apocalyptic number.

It is an amenable number.

1145242464 is an abundant number, since it is smaller than the sum of its proper divisors (1861019256).

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

1145242464 is a wasteful number, since it uses less digits than its factorization.

1145242464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11929622 (or 11929614 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 1145242464 is about 33841.4311754098. The cubic root of 1145242464 is about 1046.2427966200.

Adding to 1145242464 its reverse (4642425411), we get a palindrome (5787667875).

The spelling of 1145242464 in words is "one billion, one hundred forty-five million, two hundred forty-two thousand, four hundred sixty-four".