143420132 has 24 divisors (see below), whose sum is σ = 270644640. Its totient is φ = 66277440.

The previous prime is 143420131. The next prime is 143420149. The reversal of 143420132 is 231024341.

It is not an unprimeable number, because it can be changed into a prime (143420131) 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, 19898 + ... + 26129.

It is an arithmetic number, because the mean of its divisors is an integer number (11276860).

Almost surely, 2^143420132 is an apocalyptic number.

It is an amenable number.

143420132 is a deficient number, since it is larger than the sum of its proper divisors (127224508).

143420132 is a wasteful number, since it uses less digits than its factorization.

143420132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46091 (or 46089 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143420132 is about 11975.8144608206. The cubic root of 143420132 is about 523.4437749072.

Adding to 143420132 its reverse (231024341), we get a palindrome (374444473).

The spelling of 143420132 in words is "one hundred forty-three million, four hundred twenty thousand, one hundred thirty-two".