1145708993 has 8 divisors (see below), whose sum is σ = 1346007936. Its totient is φ = 961434000.

The previous prime is 1145708983. The next prime is 1145709007. The reversal of 1145708993 is 3998075411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145708993 - 2¹² = 1145704897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145708923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005833 + ... + 4006118.

It is an arithmetic number, because the mean of its divisors is an integer number (168250992).

Almost surely, 2^1145708993 is an apocalyptic number.

1145708993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1145708993 is a deficient number, since it is larger than the sum of its proper divisors (200298943).

1145708993 is a wasteful number, since it uses less digits than its factorization.

1145708993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011975.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1145708993 is about 33848.3233410460. The cubic root of 1145708993 is about 1046.3848440780.

The spelling of 1145708993 in words is "one billion, one hundred forty-five million, seven hundred eight thousand, nine hundred ninety-three".