142131224145 has 8 divisors (see below), whose sum is σ = 227409958656. Its totient is φ = 75803319536.

The previous prime is 142131224093. The next prime is 142131224149. The reversal of 142131224145 is 541422131241.

142131224145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142131224145 - 2⁷ = 142131224017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142131224149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4737707457 + ... + 4737707486.

It is an arithmetic number, because the mean of its divisors is an integer number (28426244832).

Almost surely, 2^142131224145 is an apocalyptic number.

142131224145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142131224145 is a deficient number, since it is larger than the sum of its proper divisors (85278734511).

142131224145 is an equidigital number, since it uses as much as digits as its factorization.

142131224145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475414951.

The product of its digits is 7680, while the sum is 30.

Adding to 142131224145 its reverse (541422131241), we get a palindrome (683553355386).

The spelling of 142131224145 in words is "one hundred forty-two billion, one hundred thirty-one million, two hundred twenty-four thousand, one hundred forty-five".