154142143105 has 8 divisors (see below), whose sum is σ = 185180532264. Its totient is φ = 123173740800.

The previous prime is 154142143097. The next prime is 154142143157. The reversal of 154142143105 is 501341241451.

It can be written as a sum of positive squares in 4 ways, for example, as 8346466881 + 145795676224 = 91359^2 + 381832^2 .

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

It is not a de Polignac number, because 154142143105 - 2³ = 154142143097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17491866 + ... + 17500675.

It is an arithmetic number, because the mean of its divisors is an integer number (23147566533).

Almost surely, 2^154142143105 is an apocalyptic number.

It is an amenable number.

154142143105 is a deficient number, since it is larger than the sum of its proper divisors (31038389159).

154142143105 is an equidigital number, since it uses as much as digits as its factorization.

154142143105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34993427.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 154142143105 its reverse (501341241451), we get a palindrome (655483384556).

The spelling of 154142143105 in words is "one hundred fifty-four billion, one hundred forty-two million, one hundred forty-three thousand, one hundred five".