1145545122 has 8 divisors (see below), whose sum is σ = 2291090256. Its totient is φ = 381848372.

The previous prime is 1145545097. The next prime is 1145545133. The reversal of 1145545122 is 2215455411.

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

1145545122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145545122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95462088 + ... + 95462099.

It is an arithmetic number, because the mean of its divisors is an integer number (286386282).

Almost surely, 2^1145545122 is an apocalyptic number.

1145545122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145545122 is a wasteful number, since it uses less digits than its factorization.

1145545122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190924192.

The product of its digits is 8000, while the sum is 30.

The square root of 1145545122 is about 33845.9025880534. The cubic root of 1145545122 is about 1046.3349534840.

The spelling of 1145545122 in words is "one billion, one hundred forty-five million, five hundred forty-five thousand, one hundred twenty-two".