142055132 has 12 divisors (see below), whose sum is σ = 249165840. Its totient is φ = 70864896.

The previous prime is 142055131. The next prime is 142055143. The reversal of 142055132 is 231550241.

It is a junction number, because it is equal to n+sod(n) for n = 142055098 and 142055107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142055131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38693 + ... + 42204.

It is an arithmetic number, because the mean of its divisors is an integer number (20763820).

Almost surely, 2^142055132 is an apocalyptic number.

It is an amenable number.

142055132 is a deficient number, since it is larger than the sum of its proper divisors (107110708).

142055132 is a wasteful number, since it uses less digits than its factorization.

142055132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81340 (or 81338 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 142055132 is about 11918.6883506534. The cubic root of 142055132 is about 521.7778545175. Note that the first 3 decimals are identical.

The spelling of 142055132 in words is "one hundred forty-two million, fifty-five thousand, one hundred thirty-two".