142686551845 has 16 divisors (see below), whose sum is σ = 176777574912. Its totient is φ = 110448031680.

The previous prime is 142686551803. The next prime is 142686551851. The reversal of 142686551845 is 548155686241.

It is a happy number.

It is not a de Polignac number, because 142686551845 - 2²³ = 142678163237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862174 + ... + 1014256.

It is an arithmetic number, because the mean of its divisors is an integer number (11048598432).

Almost surely, 2^142686551845 is an apocalyptic number.

It is an amenable number.

142686551845 is a deficient number, since it is larger than the sum of its proper divisors (34091023067).

142686551845 is a wasteful number, since it uses less digits than its factorization.

142686551845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158172.

The product of its digits is 9216000, while the sum is 55.

The spelling of 142686551845 in words is "one hundred forty-two billion, six hundred eighty-six million, five hundred fifty-one thousand, eight hundred forty-five".