142555632 has 80 divisors (see below), whose sum is σ = 393605760. Its totient is φ = 44326656.

The previous prime is 142555631. The next prime is 142555667. The reversal of 142555632 is 236555241.

It is a junction number, because it is equal to n+sod(n) for n = 142555593 and 142555602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142555631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59938 + ... + 62270.

It is an arithmetic number, because the mean of its divisors is an integer number (4920072).

Almost surely, 2^142555632 is an apocalyptic number.

142555632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142555632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196802880).

142555632 is an abundant number, since it is smaller than the sum of its proper divisors (251050128).

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

142555632 is a wasteful number, since it uses less digits than its factorization.

142555632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2424 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 142555632 is about 11939.6663269959. Note that the first 3 decimals coincide. The cubic root of 142555632 is about 522.3899260659.

The spelling of 142555632 in words is "one hundred forty-two million, five hundred fifty-five thousand, six hundred thirty-two".