142424132 has 6 divisors (see below), whose sum is σ = 249242238. Its totient is φ = 71212064.

The previous prime is 142424131. The next prime is 142424141. The reversal of 142424132 is 231424241.

It can be written as a sum of positive squares in only one way, i.e., 78039556 + 64384576 = 8834^2 + 8024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142424098 and 142424107.

It is not an unprimeable number, because it can be changed into a prime (142424131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17803013 + ... + 17803020.

It is an arithmetic number, because the mean of its divisors is an integer number (41540373).

Almost surely, 2^142424132 is an apocalyptic number.

It is an amenable number.

142424132 is a deficient number, since it is larger than the sum of its proper divisors (106818106).

142424132 is a wasteful number, since it uses less digits than its factorization.

142424132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35606037 (or 35606035 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 142424132 is about 11934.1582024037. The cubic root of 142424132 is about 522.2292509961.

Adding to 142424132 its reverse (231424241), we get a palindrome (373848373).

The spelling of 142424132 in words is "one hundred forty-two million, four hundred twenty-four thousand, one hundred thirty-two".