172076142 has 48 divisors (see below), whose sum is σ = 423902160. Its totient is φ = 46271232.

The previous prime is 172076137. The next prime is 172076161. The reversal of 172076142 is 241670271.

172076142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172076142² = 59220397291208328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12217 + ... + 22212.

It is an arithmetic number, because the mean of its divisors is an integer number (8831295).

Almost surely, 2^172076142 is an apocalyptic number.

172076142 is an abundant number, since it is smaller than the sum of its proper divisors (251826018).

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

172076142 is a wasteful number, since it uses less digits than its factorization.

172076142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34465 (or 34458 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 172076142 is about 13117.7796139438. The cubic root of 172076142 is about 556.2118281764.

The spelling of 172076142 in words is "one hundred seventy-two million, seventy-six thousand, one hundred forty-two".