1145200999 has 8 divisors (see below), whose sum is σ = 1154113920. Its totient is φ = 1136311416.

The previous prime is 1145200967. The next prime is 1145201011. The reversal of 1145200999 is 9990025411.

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 1145200999 - 2⁵ = 1145200967 is a prime.

It is a super-2 number, since 2×1145200999² = 2622970656221196002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145200909) 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, 100032 + ... + 110890.

It is an arithmetic number, because the mean of its divisors is an integer number (144264240).

Almost surely, 2^1145200999 is an apocalyptic number.

1145200999 is a deficient number, since it is larger than the sum of its proper divisors (8912921).

1145200999 is a wasteful number, since it uses less digits than its factorization.

1145200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11669.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 1145200999 is about 33840.8185332447. The cubic root of 1145200999 is about 1046.2301696050.

The spelling of 1145200999 in words is "one billion, one hundred forty-five million, two hundred thousand, nine hundred ninety-nine".