154430020044 has 96 divisors (see below), whose sum is σ = 403516270080. Its totient is φ = 51074280000.

The previous prime is 154430020037. The next prime is 154430020079. The reversal of 154430020044 is 440020034451.

It is a happy number.

154430020044 is a `hidden beast` number, since 15 + 443 + 0 + 0 + 200 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 7118574 + ... + 7140234.

It is an arithmetic number, because the mean of its divisors is an integer number (4203294480).

Almost surely, 2^154430020044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154430020044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201758135040).

154430020044 is an abundant number, since it is smaller than the sum of its proper divisors (249086250036).

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

154430020044 is a wasteful number, since it uses less digits than its factorization.

154430020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188 (or 22180 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 154430020044 its reverse (440020034451), we get a palindrome (594450054495).

The spelling of 154430020044 in words is "one hundred fifty-four billion, four hundred thirty million, twenty thousand, forty-four".