172437861342 has 16 divisors (see below), whose sum is σ = 345473434512. Its totient is φ = 57379668480.

The previous prime is 172437861331. The next prime is 172437861359. The reversal of 172437861342 is 243168734271.

172437861342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172437861291 and 172437861300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24900909 + ... + 24907832.

It is an arithmetic number, because the mean of its divisors is an integer number (21592089657).

Almost surely, 2^172437861342 is an apocalyptic number.

172437861342 is an abundant number, since it is smaller than the sum of its proper divisors (173035573170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172437861342 is a wasteful number, since it uses less digits than its factorization.

172437861342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49809323.

The product of its digits is 1354752, while the sum is 48.

The spelling of 172437861342 in words is "one hundred seventy-two billion, four hundred thirty-seven million, eight hundred sixty-one thousand, three hundred forty-two".