1563142852 has 12 divisors (see below), whose sum is σ = 2737490476. Its totient is φ = 781002720.

The previous prime is 1563142849. The next prime is 1563142871. The reversal of 1563142852 is 2582413651.

It can be written as a sum of positive squares in 2 ways, for example, as 798288516 + 764854336 = 28254^2 + 27656^2 .

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, 135963 + ... + 147010.

Almost surely, 2^1563142852 is an apocalyptic number.

It is an amenable number.

1563142852 is a deficient number, since it is larger than the sum of its proper divisors (1174347624).

1563142852 is a wasteful number, since it uses less digits than its factorization.

1563142852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284358 (or 284356 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 1563142852 is about 39536.6014219735. The cubic root of 1563142852 is about 1160.5563254991.

The spelling of 1563142852 in words is "one billion, five hundred sixty-three million, one hundred forty-two thousand, eight hundred fifty-two".