1145462784 has 112 divisors (see below), whose sum is σ = 3086819328. Its totient is φ = 377782272.

The previous prime is 1145462779. The next prime is 1145462789. The reversal of 1145462784 is 4872645411.

It is an interprime number because it is at equal distance from previous prime (1145462779) and next prime (1145462789).

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145462789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3120969 + ... + 3121335.

Almost surely, 2^1145462784 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 1145462784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543409664).

1145462784 is an abundant number, since it is smaller than the sum of its proper divisors (1941356544).

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

1145462784 is an equidigital number, since it uses as much as digits as its factorization.

1145462784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 499 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 1145462784 is about 33844.6862003476. The cubic root of 1145462784 is about 1046.3098838497.

The spelling of 1145462784 in words is "one billion, one hundred forty-five million, four hundred sixty-two thousand, seven hundred eighty-four".