142123032 has 64 divisors (see below), whose sum is σ = 399276000. Its totient is φ = 46835712.

The previous prime is 142122991. The next prime is 142123039. The reversal of 142123032 is 230321241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142122996 and 142123014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142123039) 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, 15528 + ... + 22920.

Almost surely, 2^142123032 is an apocalyptic number.

142123032 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 142123032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199638000).

142123032 is an abundant number, since it is smaller than the sum of its proper divisors (257152968).

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

142123032 is a wasteful number, since it uses less digits than its factorization.

142123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497 (or 7487 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142123032 is about 11921.5364781558. The cubic root of 142123032 is about 521.8609749993.

Adding to 142123032 its reverse (230321241), we get a palindrome (372444273).

The spelling of 142123032 in words is "one hundred forty-two million, one hundred twenty-three thousand, thirty-two".