142326143451563 has 4 divisors (see below), whose sum is σ = 142326184966368. Its totient is φ = 142326101936760.

The previous prime is 142326143451463. The next prime is 142326143451643. The reversal of 142326143451563 is 365154341623241.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142326143451563 is a prime.

It is a super-2 number, since 2×142326143451563² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142326143451463) 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, 15101156 + ... + 22642817.

It is an arithmetic number, because the mean of its divisors is an integer number (35581546241592).

Almost surely, 2^{142326143451563} is an apocalyptic number.

142326143451563 is a deficient number, since it is larger than the sum of its proper divisors (41514805).

142326143451563 is an equidigital number, since it uses as much as digits as its factorization.

142326143451563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41514804.

The product of its digits is 6220800, while the sum is 50.

The spelling of 142326143451563 in words is "one hundred forty-two trillion, three hundred twenty-six billion, one hundred forty-three million, four hundred fifty-one thousand, five hundred sixty-three".