154543530225 has 48 divisors (see below), whose sum is σ = 293496179328. Its totient is φ = 70289802240.

The previous prime is 154543530217. The next prime is 154543530233. The reversal of 154543530225 is 522035345451.

154543530225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154543530217) and next prime (154543530233).

It is not a de Polignac number, because 154543530225 - 2³ = 154543530217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 643704 + ... + 850553.

It is an arithmetic number, because the mean of its divisors is an integer number (6114503736).

Almost surely, 2^154543530225 is an apocalyptic number.

154543530225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154543530225 is a deficient number, since it is larger than the sum of its proper divisors (138952649103).

154543530225 is a wasteful number, since it uses less digits than its factorization.

154543530225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494474 (or 1494469 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 154543530225 its reverse (522035345451), we get a palindrome (676578875676).

The spelling of 154543530225 in words is "one hundred fifty-four billion, five hundred forty-three million, five hundred thirty thousand, two hundred twenty-five".