142206161455 has 8 divisors (see below), whose sum is σ = 178066845792. Its totient is φ = 108818627808.

The previous prime is 142206161441. The next prime is 142206161477. The reversal of 142206161455 is 554161602241.

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 142206161455 - 2⁷ = 142206161327 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 618287544 + ... + 618287773.

It is an arithmetic number, because the mean of its divisors is an integer number (22258355724).

Almost surely, 2^142206161455 is an apocalyptic number.

142206161455 is a deficient number, since it is larger than the sum of its proper divisors (35860684337).

142206161455 is a wasteful number, since it uses less digits than its factorization.

142206161455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236575345.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 142206161455 its reverse (554161602241), we get a palindrome (696367763696).

The spelling of 142206161455 in words is "one hundred forty-two billion, two hundred six million, one hundred sixty-one thousand, four hundred fifty-five".