10142564 has 6 divisors (see below), whose sum is σ = 17749494. Its totient is φ = 5071280.

The previous prime is 10142537. The next prime is 10142567. The reversal of 10142564 is 46524101.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 270400 = 3142^2 + 520^2 .

It is not an unprimeable number, because it can be changed into a prime (10142567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267817 + ... + 1267824.

It is an arithmetic number, because the mean of its divisors is an integer number (2958249).

Almost surely, 2^10142564 is an apocalyptic number.

It is an amenable number.

10142564 is a deficient number, since it is larger than the sum of its proper divisors (7606930).

10142564 is a wasteful number, since it uses less digits than its factorization.

10142564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535645 (or 2535643 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 10142564 is about 3184.7392357931. The cubic root of 10142564 is about 216.4624579550.

Adding to 10142564 its reverse (46524101), we get a palindrome (56666665).

The spelling of 10142564 in words is "ten million, one hundred forty-two thousand, five hundred sixty-four".