154203216422536 has 16 divisors (see below), whose sum is σ = 295855008253200. Its totient is φ = 75308547555024.

The previous prime is 154203216422533. The next prime is 154203216422551. The reversal of 154203216422536 is 635224612302451.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (154203216422531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224132581666 + ... + 224132582353.

It is an arithmetic number, because the mean of its divisors is an integer number (18490938015825).

Almost surely, 2^{154203216422536} is an apocalyptic number.

It is an amenable number.

154203216422536 is a deficient number, since it is larger than the sum of its proper divisors (141651791830664).

154203216422536 is a wasteful number, since it uses less digits than its factorization.

154203216422536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448265164068 (or 448265164064 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

Adding to 154203216422536 its reverse (635224612302451), we get a palindrome (789427828724987).

The spelling of 154203216422536 in words is "one hundred fifty-four trillion, two hundred three billion, two hundred sixteen million, four hundred twenty-two thousand, five hundred thirty-six".