142564321553 has 8 divisors (see below), whose sum is σ = 143190703656. Its totient is φ = 141938064000.

The previous prime is 142564321541. The next prime is 142564321589. The reversal of 142564321553 is 355123465241.

It can be written as a sum of positive squares in 4 ways, for example, as 23337756289 + 119226565264 = 152767^2 + 345292^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142564321553 - 2¹⁶ = 142564256017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142564321553.

It is not an unprimeable number, because it can be changed into a prime (142564341553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841263 + ... + 2891003.

It is an arithmetic number, because the mean of its divisors is an integer number (17898837957).

Almost surely, 2^142564321553 is an apocalyptic number.

It is an amenable number.

142564321553 is a deficient number, since it is larger than the sum of its proper divisors (626382103).

142564321553 is a wasteful number, since it uses less digits than its factorization.

142564321553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62275.

The product of its digits is 432000, while the sum is 41.

Adding to 142564321553 its reverse (355123465241), we get a palindrome (497687786794).

The spelling of 142564321553 in words is "one hundred forty-two billion, five hundred sixty-four million, three hundred twenty-one thousand, five hundred fifty-three".