142434032 has 80 divisors (see below), whose sum is σ = 326645760. Its totient is φ = 59533056.

The previous prime is 142434031. The next prime is 142434043. The reversal of 142434032 is 230434241.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 142433989 and 142434007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142434031) 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, 90113 + ... + 91679.

It is an arithmetic number, because the mean of its divisors is an integer number (4083072).

Almost surely, 2^142434032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142434032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163322880).

142434032 is an abundant number, since it is smaller than the sum of its proper divisors (184211728).

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

142434032 is a wasteful number, since it uses less digits than its factorization.

142434032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 142434032 is about 11934.5729709948. The cubic root of 142434032 is about 522.2413508879.

Adding to 142434032 its reverse (230434241), we get a palindrome (372868273).

The spelling of 142434032 in words is "one hundred forty-two million, four hundred thirty-four thousand, thirty-two".