1145793903 has 8 divisors (see below), whose sum is σ = 1532342016. Its totient is φ = 761554200.

The previous prime is 1145793853. The next prime is 1145793947. The reversal of 1145793903 is 3093975411.

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

It is not a de Polignac number, because 1145793903 - 2¹² = 1145789807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145797903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575943 + ... + 577928.

It is an arithmetic number, because the mean of its divisors is an integer number (191542752).

Almost surely, 2^1145793903 is an apocalyptic number.

1145793903 is a deficient number, since it is larger than the sum of its proper divisors (386548113).

1145793903 is a wasteful number, since it uses less digits than its factorization.

1145793903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154205.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 1145793903 is about 33849.5775896834. The cubic root of 1145793903 is about 1046.4106930916.

The spelling of 1145793903 in words is "one billion, one hundred forty-five million, seven hundred ninety-three thousand, nine hundred three".