142111632 has 40 divisors (see below), whose sum is σ = 395363584. Its totient is φ = 43726464.

The previous prime is 142111631. The next prime is 142111637. The reversal of 142111632 is 236111241.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142111599 and 142111608.

It is not an unprimeable number, because it can be changed into a prime (142111631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113248 + ... + 114495.

Almost surely, 2^142111632 is an apocalyptic number.

142111632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142111632 is an abundant number, since it is smaller than the sum of its proper divisors (253251952).

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

142111632 is a wasteful number, since it uses less digits than its factorization.

142111632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227767 (or 227761 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 142111632 is about 11921.0583422782. The cubic root of 142111632 is about 521.8470214219.

Adding to 142111632 its reverse (236111241), we get a palindrome (378222873).

The spelling of 142111632 in words is "one hundred forty-two million, one hundred eleven thousand, six hundred thirty-two".