1563106145 has 8 divisors (see below), whose sum is σ = 1877395560. Its totient is φ = 1249372800.

The previous prime is 1563106121. The next prime is 1563106169. The reversal of 1563106145 is 5416013651.

It is an interprime number because it is at equal distance from previous prime (1563106121) and next prime (1563106169).

It can be written as a sum of positive squares in 4 ways, for example, as 284900641 + 1278205504 = 16879^2 + 35752^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1563106145 - 2¹⁰ = 1563105121 is a prime.

It is a super-2 number, since 2×1563106145² = 4886601641073522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132806 + ... + 144095.

It is an arithmetic number, because the mean of its divisors is an integer number (234674445).

Almost surely, 2^1563106145 is an apocalyptic number.

It is an amenable number.

1563106145 is a deficient number, since it is larger than the sum of its proper divisors (314289415).

1563106145 is a wasteful number, since it uses less digits than its factorization.

1563106145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278035.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1563106145 is about 39536.1372038291. The cubic root of 1563106145 is about 1160.5472410501.

Adding to 1563106145 its reverse (5416013651), we get a palindrome (6979119796).

The spelling of 1563106145 in words is "one billion, five hundred sixty-three million, one hundred six thousand, one hundred forty-five".