142321163401637 has 24 divisors (see below), whose sum is σ = 156565523054976. Its totient is φ = 129275484624000.

The previous prime is 142321163401583. The next prime is 142321163401657. The reversal of 142321163401637 is 736104361123241.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-142321163401637 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 (142321163401657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2838960062 + ... + 2839010192.

It is an arithmetic number, because the mean of its divisors is an integer number (6523563460624).

Almost surely, 2^{142321163401637} is an apocalyptic number.

It is an amenable number.

142321163401637 is a deficient number, since it is larger than the sum of its proper divisors (14244359653339).

142321163401637 is a wasteful number, since it uses less digits than its factorization.

142321163401637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69161 (or 69150 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 142321163401637 in words is "one hundred forty-two trillion, three hundred twenty-one billion, one hundred sixty-three million, four hundred one thousand, six hundred thirty-seven".