154440225000 has 288 divisors, whose sum is σ = 540861867000. Its totient is φ = 39762240000.

The previous prime is 154440224999. The next prime is 154440225007. The reversal of 154440225000 is 522044451.

154440225000 is a `hidden beast` number, since 1 + 5 + 4 + 4 + 402 + 250 + 0 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 81776553156 + 72663671844 = 285966^2 + 269562^2 .

It is not an unprimeable number, because it can be changed into a prime (154440225007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6513166 + ... + 6536834.

Almost surely, 2^154440225000 is an apocalyptic number.

154440225000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154440225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270430933500).

154440225000 is an abundant number, since it is smaller than the sum of its proper divisors (386421642000).

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

154440225000 is a wasteful number, since it uses less digits than its factorization.

154440225000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23735 (or 23708 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 154440225000 its reverse (522044451), we get a palindrome (154962269451).

The spelling of 154440225000 in words is "one hundred fifty-four billion, four hundred forty million, two hundred twenty-five thousand".