142241307 has 16 divisors (see below), whose sum is σ = 204492288. Its totient is φ = 87426720.

The previous prime is 142241279. The next prime is 142241311. The reversal of 142241307 is 703142241.

It is a happy number.

It is not a de Polignac number, because 142241307 - 2⁶ = 142241243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142241207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40878 + ... + 44220.

It is an arithmetic number, because the mean of its divisors is an integer number (12780768).

Almost surely, 2^142241307 is an apocalyptic number.

142241307 is a deficient number, since it is larger than the sum of its proper divisors (62250981).

142241307 is a wasteful number, since it uses less digits than its factorization.

142241307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 142241307 is about 11926.4960067909. The cubic root of 142241307 is about 522.0056993550.

Adding to 142241307 its reverse (703142241), we get a palindrome (845383548).

The spelling of 142241307 in words is "one hundred forty-two million, two hundred forty-one thousand, three hundred seven".