142504305 has 8 divisors (see below), whose sum is σ = 228006912. Its totient is φ = 76002288.

The previous prime is 142504283. The next prime is 142504309. The reversal of 142504305 is 503405241.

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

It is not a de Polignac number, because 142504305 - 2⁹ = 142503793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142504309) 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, 4750129 + ... + 4750158.

It is an arithmetic number, because the mean of its divisors is an integer number (28500864).

Almost surely, 2^142504305 is an apocalyptic number.

142504305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142504305 is a deficient number, since it is larger than the sum of its proper divisors (85502607).

142504305 is an equidigital number, since it uses as much as digits as its factorization.

142504305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500295.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 142504305 is about 11937.5167015590. The cubic root of 142504305 is about 522.3272232320.

Adding to 142504305 its reverse (503405241), we get a palindrome (645909546).

The spelling of 142504305 in words is "one hundred forty-two million, five hundred four thousand, three hundred five".