142111432 has 32 divisors (see below), whose sum is σ = 284067000. Its totient is φ = 66417664.

The previous prime is 142111427. The next prime is 142111439. The reversal of 142111432 is 234111241.

It can be written as a sum of positive squares in 4 ways, for example, as 131652676 + 10458756 = 11474^2 + 3234^2 .

It is not an unprimeable number, because it can be changed into a prime (142111439) 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, 16758 + ... + 23770.

Almost surely, 2^142111432 is an apocalyptic number.

It is an amenable number.

142111432 is a deficient number, since it is larger than the sum of its proper divisors (141955568).

142111432 is a wasteful number, since it uses less digits than its factorization.

142111432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7185 (or 7181 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 142111432 is about 11921.0499537583. The cubic root of 142111432 is about 521.8467766156.

Adding to 142111432 its reverse (234111241), we get a palindrome (376222673).

The spelling of 142111432 in words is "one hundred forty-two million, one hundred eleven thousand, four hundred thirty-two".