154434342218 has 8 divisors (see below), whose sum is σ = 249470860548. Its totient is φ = 71277388704.

The previous prime is 154434342211. The next prime is 154434342259. The reversal of 154434342218 is 812243434451.

It can be written as a sum of positive squares in 2 ways, for example, as 122166327529 + 32268014689 = 349523^2 + 179633^2 .

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

It is not an unprimeable number, because it can be changed into a prime (154434342211) 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, 2969891171 + ... + 2969891222.

Almost surely, 2^154434342218 is an apocalyptic number.

154434342218 is a deficient number, since it is larger than the sum of its proper divisors (95036518330).

154434342218 is a wasteful number, since it uses less digits than its factorization.

154434342218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939782408.

The product of its digits is 368640, while the sum is 41.

Adding to 154434342218 its reverse (812243434451), we get a palindrome (966677776669).

The spelling of 154434342218 in words is "one hundred fifty-four billion, four hundred thirty-four million, three hundred forty-two thousand, two hundred eighteen".