1145312092 has 6 divisors (see below), whose sum is σ = 2004296168. Its totient is φ = 572656044.

The previous prime is 1145312089. The next prime is 1145312101. The reversal of 1145312092 is 2902135411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145312092.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 143164008 + ... + 143164015.

Almost surely, 2^1145312092 is an apocalyptic number.

It is an amenable number.

1145312092 is a deficient number, since it is larger than the sum of its proper divisors (858984076).

1145312092 is a wasteful number, since it uses less digits than its factorization.

1145312092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286328027 (or 286328025 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1145312092 is about 33842.4598987721. The cubic root of 1145312092 is about 1046.2639992094.

The spelling of 1145312092 in words is "one billion, one hundred forty-five million, three hundred twelve thousand, ninety-two".