142525320264653 has 16 divisors (see below), whose sum is σ = 152977397828976. Its totient is φ = 132303070310400.

The previous prime is 142525320264643. The next prime is 142525320264751. The reversal of 142525320264653 is 356462023525241.

It can be written as a sum of positive squares in 8 ways, for example, as 8788538915209 + 133736781349444 = 2964547^2 + 11564462^2 .

It is a cyclic number.

It is not a de Polignac number, because 142525320264653 - 2⁶ = 142525320264589 is a prime.

It is a super-2 number, since 2×142525320264653² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142525320264643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274126625 + ... + 274646057.

It is an arithmetic number, because the mean of its divisors is an integer number (9561087364311).

Almost surely, 2^{142525320264653} is an apocalyptic number.

It is an amenable number.

142525320264653 is a deficient number, since it is larger than the sum of its proper divisors (10452077564323).

142525320264653 is a wasteful number, since it uses less digits than its factorization.

142525320264653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740624.

The product of its (nonzero) digits is 10368000, while the sum is 50.

Adding to 142525320264653 its reverse (356462023525241), we get a palindrome (498987343789894).

The spelling of 142525320264653 in words is "one hundred forty-two trillion, five hundred twenty-five billion, three hundred twenty million, two hundred sixty-four thousand, six hundred fifty-three".