1004154245644 has 72 divisors (see below), whose sum is σ = 1960768051200. Its totient is φ = 446178408000.

The previous prime is 1004154245621. The next prime is 1004154245657. The reversal of 1004154245644 is 4465424514001.

It is a junction number, because it is equal to n+sod(n) for n = 1004154245597 and 1004154245606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35444517 + ... + 35472835.

It is an arithmetic number, because the mean of its divisors is an integer number (27232889600).

Almost surely, 2^{1004154245644} is an apocalyptic number.

It is an amenable number.

1004154245644 is a deficient number, since it is larger than the sum of its proper divisors (956613805556).

1004154245644 is a wasteful number, since it uses less digits than its factorization.

1004154245644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28615 (or 28512 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 1004154245644 its reverse (4465424514001), we get a palindrome (5469578759645).

The spelling of 1004154245644 in words is "one trillion, four billion, one hundred fifty-four million, two hundred forty-five thousand, six hundred forty-four".