142221514051 has 8 divisors (see below), whose sum is σ = 142875313280. Its totient is φ = 141567858432.

The previous prime is 142221514049. The next prime is 142221514063. The reversal of 142221514051 is 150415122241.

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 142221514051 - 2¹ = 142221514049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142221514651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295091 + ... + 2356243.

It is an arithmetic number, because the mean of its divisors is an integer number (17859414160).

Almost surely, 2^142221514051 is an apocalyptic number.

142221514051 is a deficient number, since it is larger than the sum of its proper divisors (653799229).

142221514051 is a wasteful number, since it uses less digits than its factorization.

142221514051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71805.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 142221514051 its reverse (150415122241), we get a palindrome (292636636292).

The spelling of 142221514051 in words is "one hundred forty-two billion, two hundred twenty-one million, five hundred fourteen thousand, fifty-one".