1145335213 has 8 divisors (see below), whose sum is σ = 1249859520. Its totient is φ = 1040878080.

The previous prime is 1145335187. The next prime is 1145335231. The reversal of 1145335213 is 3125335411.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1145335213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145335273) 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, 22968 + ... + 53086.

It is an arithmetic number, because the mean of its divisors is an integer number (156232440).

Almost surely, 2^1145335213 is an apocalyptic number.

It is an amenable number.

1145335213 is a deficient number, since it is larger than the sum of its proper divisors (104524307).

1145335213 is a wasteful number, since it uses less digits than its factorization.

1145335213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33587.

The product of its digits is 5400, while the sum is 28.

The square root of 1145335213 is about 33842.8014945572. The cubic root of 1145335213 is about 1046.2710396505.

The spelling of 1145335213 in words is "one billion, one hundred forty-five million, three hundred thirty-five thousand, two hundred thirteen".