142231124 has 48 divisors (see below), whose sum is σ = 294000000. Its totient is φ = 60173568.

The previous prime is 142231121. The next prime is 142231181. The reversal of 142231124 is 421132241.

It is a junction number, because it is equal to n+sod(n) for n = 142231096 and 142231105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142231121) 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, 113252 + ... + 114500.

It is an arithmetic number, because the mean of its divisors is an integer number (6125000).

Almost surely, 2^142231124 is an apocalyptic number.

142231124 is a gapful number since it is divisible by the number (14) 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 142231124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147000000).

142231124 is an abundant number, since it is smaller than the sum of its proper divisors (151768876).

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

142231124 is a wasteful number, since it uses less digits than its factorization.

142231124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1341 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 142231124 is about 11926.0690925384. The cubic root of 142231124 is about 521.9932423292.

Adding to 142231124 its reverse (421132241), we get a palindrome (563363365).

The spelling of 142231124 in words is "one hundred forty-two million, two hundred thirty-one thousand, one hundred twenty-four".