142555103453 has 4 divisors (see below), whose sum is σ = 162920118240. Its totient is φ = 122190088668.

The previous prime is 142555103443. The next prime is 142555103459. The reversal of 142555103453 is 354301555241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354301555241 = 97 ⋅3652593353.

It is a cyclic number.

It is not a de Polignac number, because 142555103453 - 2¹⁶ = 142555037917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142555103459) 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, 10182507383 + ... + 10182507396.

It is an arithmetic number, because the mean of its divisors is an integer number (40730029560).

Almost surely, 2^142555103453 is an apocalyptic number.

It is an amenable number.

142555103453 is a deficient number, since it is larger than the sum of its proper divisors (20365014787).

142555103453 is an equidigital number, since it uses as much as digits as its factorization.

142555103453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20365014786.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 142555103453 its reverse (354301555241), we get a palindrome (496856658694).

The spelling of 142555103453 in words is "one hundred forty-two billion, five hundred fifty-five million, one hundred three thousand, four hundred fifty-three".