32172554142 has 24 divisors (see below), whose sum is σ = 69710501016. Its totient is φ = 10723676976.

The previous prime is 32172554131. The next prime is 32172554143. The reversal of 32172554142 is 24145527123.

32172554142 is a `hidden beast` number, since 3 + 2 + 1 + 72 + 5 + 541 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 32172554097 and 32172554106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32172554143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708733 + ... + 752759.

It is an arithmetic number, because the mean of its divisors is an integer number (2904604209).

Almost surely, 2^32172554142 is an apocalyptic number.

32172554142 is an abundant number, since it is smaller than the sum of its proper divisors (37537946874).

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

32172554142 is a wasteful number, since it uses less digits than its factorization.

32172554142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84632 (or 84629 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The spelling of 32172554142 in words is "thirty-two billion, one hundred seventy-two million, five hundred fifty-four thousand, one hundred forty-two".