2311245445 has 32 divisors (see below), whose sum is σ = 2876290560. Its totient is φ = 1781944320.

The previous prime is 2311245407. The next prime is 2311245479. The reversal of 2311245445 is 5445421132.

It is not a de Polignac number, because 2311245445 - 2¹¹ = 2311243397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5941311 + ... + 5941699.

It is an arithmetic number, because the mean of its divisors is an integer number (89884080).

Almost surely, 2^2311245445 is an apocalyptic number.

It is an amenable number.

2311245445 is a deficient number, since it is larger than the sum of its proper divisors (565045115).

2311245445 is a wasteful number, since it uses less digits than its factorization.

2311245445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765.

The product of its digits is 19200, while the sum is 31.

The square root of 2311245445 is about 48075.4141427820. The cubic root of 2311245445 is about 1322.1539376331.

Adding to 2311245445 its reverse (5445421132), we get a palindrome (7756666577).

The spelling of 2311245445 in words is "two billion, three hundred eleven million, two hundred forty-five thousand, four hundred forty-five".