2112265145 has 8 divisors (see below), whose sum is σ = 2644923456. Its totient is φ = 1616341936.

The previous prime is 2112265121. The next prime is 2112265153. The reversal of 2112265145 is 5415622112.

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 2112265145 - 2¹² = 2112261049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9183647 + ... + 9183876.

It is an arithmetic number, because the mean of its divisors is an integer number (330615432).

Almost surely, 2^2112265145 is an apocalyptic number.

It is an amenable number.

2112265145 is a deficient number, since it is larger than the sum of its proper divisors (532658311).

2112265145 is a wasteful number, since it uses less digits than its factorization.

2112265145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18367551.

The product of its digits is 4800, while the sum is 29.

The square root of 2112265145 is about 45959.3858205264. The cubic root of 2112265145 is about 1283.0674205149.

Adding to 2112265145 its reverse (5415622112), we get a palindrome (7527887257).

The spelling of 2112265145 in words is "two billion, one hundred twelve million, two hundred sixty-five thousand, one hundred forty-five".