142431104 has 32 divisors (see below), whose sum is σ = 284314800. Its totient is φ = 71073792.

The previous prime is 142431101. The next prime is 142431131. The reversal of 142431104 is 401134241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142431101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97709 + ... + 99155.

Almost surely, 2^142431104 is an apocalyptic number.

It is an amenable number.

142431104 is a deficient number, since it is larger than the sum of its proper divisors (141883696).

142431104 is an equidigital number, since it uses as much as digits as its factorization.

142431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142431104 is about 11934.4503015430. The cubic root of 142431104 is about 522.2377723116.

Adding to 142431104 its reverse (401134241), we get a palindrome (543565345).

The spelling of 142431104 in words is "one hundred forty-two million, four hundred thirty-one thousand, one hundred four".