1145887996 has 12 divisors (see below), whose sum is σ = 2187604440. Its totient is φ = 520858160.

The previous prime is 1145887987. The next prime is 1145888017. The reversal of 1145887996 is 6997885411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145887996.

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, 13021411 + ... + 13021498.

It is an arithmetic number, because the mean of its divisors is an integer number (182300370).

Almost surely, 2^1145887996 is an apocalyptic number.

It is an amenable number.

1145887996 is a deficient number, since it is larger than the sum of its proper divisors (1041716444).

1145887996 is a wasteful number, since it uses less digits than its factorization.

1145887996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26042924 (or 26042922 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 58.

The square root of 1145887996 is about 33850.9674307840. The cubic root of 1145887996 is about 1046.4393361795.

The spelling of 1145887996 in words is "one billion, one hundred forty-five million, eight hundred eighty-seven thousand, nine hundred ninety-six".