154244442141 has 6 divisors (see below), whose sum is σ = 222797527550. Its totient is φ = 102829628088.

The previous prime is 154244442137. The next prime is 154244442197. The reversal of 154244442141 is 141244442451.

154244442141 is a `hidden beast` number, since 1 + 54 + 24 + 4 + 442 + 141 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150890294916 + 3354147225 = 388446^2 + 57915^2 .

It is not a de Polignac number, because 154244442141 - 2² = 154244442137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154244442096 and 154244442105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154244442641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8569135666 + ... + 8569135683.

Almost surely, 2^154244442141 is an apocalyptic number.

It is an amenable number.

154244442141 is a deficient number, since it is larger than the sum of its proper divisors (68553085409).

154244442141 is a wasteful number, since it uses less digits than its factorization.

154244442141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17138271355 (or 17138271352 counting only the distinct ones).

The product of its digits is 81920, while the sum is 36.

Adding to 154244442141 its reverse (141244442451), we get a palindrome (295488884592).

The spelling of 154244442141 in words is "one hundred fifty-four billion, two hundred forty-four million, four hundred forty-two thousand, one hundred forty-one".