142943232 has 176 divisors, whose sum is σ = 419225600. Its totient is φ = 43130880.

The previous prime is 142943231. The next prime is 142943237. The reversal of 142943232 is 232349241.

It is a self number, because there is not a number n which added to its sum of digits gives 142943232.

It is not an unprimeable number, because it can be changed into a prime (142943231) 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, 1809369 + ... + 1809447.

Almost surely, 2^142943232 is an apocalyptic number.

142943232 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 142943232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209612800).

142943232 is an abundant number, since it is smaller than the sum of its proper divisors (276282368).

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

142943232 is a wasteful number, since it uses less digits than its factorization.

142943232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 134 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 142943232 is about 11955.8869181671. The cubic root of 142943232 is about 522.8629463188.

The spelling of 142943232 in words is "one hundred forty-two million, nine hundred forty-three thousand, two hundred thirty-two".