142102251453 has 4 divisors (see below), whose sum is σ = 189469668608. Its totient is φ = 94734834300.

The previous prime is 142102251433. The next prime is 142102251481. The reversal of 142102251453 is 354152201241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142102251453 - 2²⁵ = 142068697021 is a prime.

It is a super-2 number, since 2×142102251453² (a number of 23 digits) contains 22 as substring.

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 142102251453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142102251433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23683708573 + ... + 23683708578.

It is an arithmetic number, because the mean of its divisors is an integer number (47367417152).

Almost surely, 2^142102251453 is an apocalyptic number.

It is an amenable number.

142102251453 is a deficient number, since it is larger than the sum of its proper divisors (47367417155).

142102251453 is an equidigital number, since it uses as much as digits as its factorization.

142102251453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47367417154.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 142102251453 its reverse (354152201241), we get a palindrome (496254452694).

The spelling of 142102251453 in words is "one hundred forty-two billion, one hundred two million, two hundred fifty-one thousand, four hundred fifty-three".