154105421422044 has 96 divisors (see below), whose sum is σ = 393875353166400. Its totient is φ = 46677812428800.

The previous prime is 154105421422019. The next prime is 154105421422079. The reversal of 154105421422044 is 440224124501451.

It is a junction number, because it is equal to n+sod(n) for n = 154105421421993 and 154105421422011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152133912 + ... + 153143520.

It is an arithmetic number, because the mean of its divisors is an integer number (4102868262150).

Almost surely, 2^{154105421422044} is an apocalyptic number.

It is an amenable number.

154105421422044 is an abundant number, since it is smaller than the sum of its proper divisors (239769931744356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154105421422044 is a wasteful number, since it uses less digits than its factorization.

154105421422044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035463 (or 1035461 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 39.

Adding to 154105421422044 its reverse (440224124501451), we get a palindrome (594329545923495).

The spelling of 154105421422044 in words is "one hundred fifty-four trillion, one hundred five billion, four hundred twenty-one million, four hundred twenty-two thousand, forty-four".