142107434 has 8 divisors (see below), whose sum is σ = 243612768. Its totient is φ = 60903180.

The previous prime is 142107401. The next prime is 142107487. The reversal of 142107434 is 434701241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5075252 + ... + 5075279.

It is an arithmetic number, because the mean of its divisors is an integer number (30451596).

Almost surely, 2^142107434 is an apocalyptic number.

142107434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142107434 is a deficient number, since it is larger than the sum of its proper divisors (101505334).

142107434 is a wasteful number, since it uses less digits than its factorization.

142107434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150540.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 142107434 is about 11920.8822660070. The cubic root of 142107434 is about 521.8418828902.

Adding to 142107434 its reverse (434701241), we get a palindrome (576808675).

The spelling of 142107434 in words is "one hundred forty-two million, one hundred seven thousand, four hundred thirty-four".