2312145446 has 24 divisors (see below), whose sum is σ = 3759253344. Its totient is φ = 1066085280.

The previous prime is 2312145439. The next prime is 2312145457. The reversal of 2312145446 is 6445412132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413300 + ... + 418856.

It is an arithmetic number, because the mean of its divisors is an integer number (156635556).

Almost surely, 2^2312145446 is an apocalyptic number.

2312145446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2312145446 is a deficient number, since it is larger than the sum of its proper divisors (1447107898).

2312145446 is a wasteful number, since it uses less digits than its factorization.

2312145446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6816 (or 6803 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2312145446 is about 48084.7735359126. The cubic root of 2312145446 is about 1322.3255313291.

Adding to 2312145446 its reverse (6445412132), we get a palindrome (8757557578).

The spelling of 2312145446 in words is "two billion, three hundred twelve million, one hundred forty-five thousand, four hundred forty-six".