142125305 has 16 divisors (see below), whose sum is σ = 195153024. Its totient is φ = 97338240.

The previous prime is 142125293. The next prime is 142125331. The reversal of 142125305 is 503521241.

142125305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142125305 - 2⁶ = 142125241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34190 + ... + 38120.

It is an arithmetic number, because the mean of its divisors is an integer number (12197064).

Almost surely, 2^142125305 is an apocalyptic number.

It is an amenable number.

142125305 is a deficient number, since it is larger than the sum of its proper divisors (53027719).

142125305 is a wasteful number, since it uses less digits than its factorization.

142125305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 142125305 is about 11921.6318094462. The cubic root of 142125305 is about 521.8637570576.

Adding to 142125305 its reverse (503521241), we get a palindrome (645646546).

The spelling of 142125305 in words is "one hundred forty-two million, one hundred twenty-five thousand, three hundred five".