1563145312 has 12 divisors (see below), whose sum is σ = 3077442396. Its totient is φ = 781572640.

The previous prime is 1563145273. The next prime is 1563145319. The reversal of 1563145312 is 2135413651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563145319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24424114 + ... + 24424177.

It is an arithmetic number, because the mean of its divisors is an integer number (256453533).

Almost surely, 2^1563145312 is an apocalyptic number.

It is an amenable number.

1563145312 is a deficient number, since it is larger than the sum of its proper divisors (1514297084).

1563145312 is an equidigital number, since it uses as much as digits as its factorization.

1563145312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48848301 (or 48848293 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 1563145312 is about 39536.6325323743. The cubic root of 1563145312 is about 1160.5569343082.

Adding to 1563145312 its reverse (2135413651), we get a palindrome (3698558963).

The spelling of 1563145312 in words is "one billion, five hundred sixty-three million, one hundred forty-five thousand, three hundred twelve".