142450323503 has 4 divisors (see below), whose sum is σ = 145763121768. Its totient is φ = 139137525240.

The previous prime is 142450323497. The next prime is 142450323563. The reversal of 142450323503 is 305323054241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142450323503 - 2⁸ = 142450323247 is a prime.

It is a super-2 number, since 2×142450323503² (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 142450323503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142450323563) 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, 1656399068 + ... + 1656399153.

It is an arithmetic number, because the mean of its divisors is an integer number (36440780442).

Almost surely, 2^142450323503 is an apocalyptic number.

142450323503 is a deficient number, since it is larger than the sum of its proper divisors (3312798265).

142450323503 is an equidigital number, since it uses as much as digits as its factorization.

142450323503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312798264.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 142450323503 its reverse (305323054241), we get a palindrome (447773377744).

The spelling of 142450323503 in words is "one hundred forty-two billion, four hundred fifty million, three hundred twenty-three thousand, five hundred three".