1145591764 has 12 divisors (see below), whose sum is σ = 2005922464. Its totient is φ = 572471064.

The previous prime is 1145591749. The next prime is 1145591779. The reversal of 1145591764 is 4671955411.

It is an interprime number because it is at equal distance from previous prime (1145591749) and next prime (1145591779).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1145591764.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73182 + ... + 87445.

Almost surely, 2^1145591764 is an apocalyptic number.

It is an amenable number.

1145591764 is a deficient number, since it is larger than the sum of its proper divisors (860330700).

1145591764 is a wasteful number, since it uses less digits than its factorization.

1145591764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162414 (or 162412 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 1145591764 is about 33846.5916157004. The cubic root of 1145591764 is about 1046.3491541446.

The spelling of 1145591764 in words is "one billion, one hundred forty-five million, five hundred ninety-one thousand, seven hundred sixty-four".