154445020044 has 48 divisors (see below), whose sum is σ = 412754700288. Its totient is φ = 44030579328.

The previous prime is 154445020031. The next prime is 154445020049. The reversal of 154445020044 is 440020544451.

It is a junction number, because it is equal to n+sod(n) for n = 154445019987 and 154445020014.

It is not an unprimeable number, because it can be changed into a prime (154445020049) 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 15 ways as a sum of consecutive naturals, for example, 1973244 + ... + 2050019.

It is an arithmetic number, because the mean of its divisors is an integer number (8599056256).

Almost surely, 2^154445020044 is an apocalyptic number.

154445020044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

154445020044 is an abundant number, since it is smaller than the sum of its proper divisors (258309680244).

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

154445020044 is a wasteful number, since it uses less digits than its factorization.

154445020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023734 (or 4023732 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 154445020044 its reverse (440020544451), we get a palindrome (594465564495).

The spelling of 154445020044 in words is "one hundred fifty-four billion, four hundred forty-five million, twenty thousand, forty-four".