1145087803 has 8 divisors (see below), whose sum is σ = 1187683920. Its totient is φ = 1103104800.

The previous prime is 1145087777. The next prime is 1145087809. The reversal of 1145087803 is 3087805411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145087803 is a prime.

It is a super-2 number, since 2×1145087803² = 2622452153158733618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145087809) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149473 + ... + 156946.

It is an arithmetic number, because the mean of its divisors is an integer number (148460490).

Almost surely, 2^1145087803 is an apocalyptic number.

1145087803 is a deficient number, since it is larger than the sum of its proper divisors (42596117).

1145087803 is a wasteful number, since it uses less digits than its factorization.

1145087803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306557.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1145087803 is about 33839.1460146381. The cubic root of 1145087803 is about 1046.1956973530.

The spelling of 1145087803 in words is "one billion, one hundred forty-five million, eighty-seven thousand, eight hundred three".