142621306305 has 8 divisors (see below), whose sum is σ = 228194090112. Its totient is φ = 76064696688.

The previous prime is 142621306297. The next prime is 142621306339. The reversal of 142621306305 is 503603126241.

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

It is not a de Polignac number, because 142621306305 - 2³ = 142621306297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4754043529 + ... + 4754043558.

It is an arithmetic number, because the mean of its divisors is an integer number (28524261264).

Almost surely, 2^142621306305 is an apocalyptic number.

142621306305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142621306305 is a deficient number, since it is larger than the sum of its proper divisors (85572783807).

142621306305 is an equidigital number, since it uses as much as digits as its factorization.

142621306305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508087095.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 142621306305 in words is "one hundred forty-two billion, six hundred twenty-one million, three hundred six thousand, three hundred five".