1145974896 has 120 divisors (see below), whose sum is σ = 3704588784. Its totient is φ = 326830080.

The previous prime is 1145974891. The next prime is 1145974909. The reversal of 1145974896 is 6984795411.

1145974896 is a `hidden beast` number, since 1 + 1 + 4 + 597 + 48 + 9 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145974891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5650 + ... + 48206.

Almost surely, 2^1145974896 is an apocalyptic number.

1145974896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145974896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852294392).

1145974896 is an abundant number, since it is smaller than the sum of its proper divisors (2558613888).

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

1145974896 is a wasteful number, since it uses less digits than its factorization.

1145974896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42599 (or 42590 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 1145974896 is about 33852.2509739013. The cubic root of 1145974896 is about 1046.4657882353.

The spelling of 1145974896 in words is "one billion, one hundred forty-five million, nine hundred seventy-four thousand, eight hundred ninety-six".