1145140776 has 96 divisors (see below), whose sum is σ = 3354624000. Its totient is φ = 350808192.

The previous prime is 1145140769. The next prime is 1145140781. The reversal of 1145140776 is 6770415411.

It is a super-2 number, since 2×1145140776² = 2622694793715764352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1145140776.

It is an unprimeable number.

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, 221145 + ... + 226263.

It is an arithmetic number, because the mean of its divisors is an integer number (34944000).

Almost surely, 2^1145140776 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 1145140776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677312000).

1145140776 is an abundant number, since it is smaller than the sum of its proper divisors (2209483224).

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

1145140776 is a wasteful number, since it uses less digits than its factorization.

1145140776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383 (or 5376 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1145140776 is about 33839.9287233292. The cubic root of 1145140776 is about 1046.2118298189.

The spelling of 1145140776 in words is "one billion, one hundred forty-five million, one hundred forty thousand, seven hundred seventy-six".