154200216126244 has 6 divisors (see below), whose sum is σ = 269850378220934. Its totient is φ = 77100108063120.

The previous prime is 154200216126239. The next prime is 154200216126329. The reversal of 154200216126244 is 442621612002451.

It can be written as a sum of positive squares in only one way, i.e., 127684802052900 + 26515414073344 = 11299770^2 + 5149312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154200216126197 and 154200216126206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19275027015777 + ... + 19275027015784.

Almost surely, 2^{154200216126244} is an apocalyptic number.

It is an amenable number.

154200216126244 is a deficient number, since it is larger than the sum of its proper divisors (115650162094690).

154200216126244 is a wasteful number, since it uses less digits than its factorization.

154200216126244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38550054031565 (or 38550054031563 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

Adding to 154200216126244 its reverse (442621612002451), we get a palindrome (596821828128695).

The spelling of 154200216126244 in words is "one hundred fifty-four trillion, two hundred billion, two hundred sixteen million, one hundred twenty-six thousand, two hundred forty-four".