154102135451144 has 16 divisors (see below), whose sum is σ = 289278658597500. Its totient is φ = 76961159825152.

The previous prime is 154102135451081. The next prime is 154102135451149. The reversal of 154102135451144 is 441154531201451.

It can be written as a sum of positive squares in 2 ways, for example, as 145097394827044 + 9004740624100 = 12045638^2 + 3000790^2 .

It is not an unprimeable number, because it can be changed into a prime (154102135451149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11238480269 + ... + 11238493980.

Almost surely, 2^{154102135451144} is an apocalyptic number.

It is an amenable number.

154102135451144 is a deficient number, since it is larger than the sum of its proper divisors (135176523146356).

154102135451144 is a wasteful number, since it uses less digits than its factorization.

154102135451144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22476975112 (or 22476975108 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

Adding to 154102135451144 its reverse (441154531201451), we get a palindrome (595256666652595).

The spelling of 154102135451144 in words is "one hundred fifty-four trillion, one hundred two billion, one hundred thirty-five million, four hundred fifty-one thousand, one hundred forty-four".