1282145168 has 20 divisors (see below), whose sum is σ = 2630283660. Its totient is φ = 603362304.

The previous prime is 1282145131. The next prime is 1282145171. The reversal of 1282145168 is 8615412821.

It can be written as a sum of positive squares in 2 ways, for example, as 962736784 + 319408384 = 31028^2 + 17872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356613 + ... + 2357156.

It is an arithmetic number, because the mean of its divisors is an integer number (131514183).

Almost surely, 2^1282145168 is an apocalyptic number.

It is an amenable number.

1282145168 is an abundant number, since it is smaller than the sum of its proper divisors (1348138492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1282145168 is a wasteful number, since it uses less digits than its factorization.

1282145168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713794 (or 4713788 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 1282145168 is about 35807.0547238948. The cubic root of 1282145168 is about 1086.3732582999.

Adding to 1282145168 its reverse (8615412821), we get a palindrome (9897557989).

The spelling of 1282145168 in words is "one billion, two hundred eighty-two million, one hundred forty-five thousand, one hundred sixty-eight".