1563042145 has 16 divisors (see below), whose sum is σ = 2217519360. Its totient is φ = 1034841024.

The previous prime is 1563042137. The next prime is 1563042161. The reversal of 1563042145 is 5412403651.

It is a happy number.

It is not a de Polignac number, because 1563042145 - 2³ = 1563042137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768957 + ... + 770986.

It is an arithmetic number, because the mean of its divisors is an integer number (138594960).

Almost surely, 2^1563042145 is an apocalyptic number.

It is an amenable number.

1563042145 is a deficient number, since it is larger than the sum of its proper divisors (654477215).

1563042145 is a wasteful number, since it uses less digits than its factorization.

1563042145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539984.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1563042145 is about 39535.3278094415. The cubic root of 1563042145 is about 1160.5314016401.

Adding to 1563042145 its reverse (5412403651), we get a palindrome (6975445796).

It can be divided in two parts, 15630 and 42145, that added together give a palindrome (57775).

The spelling of 1563042145 in words is "one billion, five hundred sixty-three million, forty-two thousand, one hundred forty-five".