154605540650225 has 24 divisors (see below), whose sum is σ = 219105684582720. Its totient is φ = 106011576112320.

The previous prime is 154605540650159. The next prime is 154605540650261. The reversal of 154605540650225 is 522056045506451.

It is not a de Polignac number, because 154605540650225 - 2¹⁸ = 154605540388081 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10115822 + ... + 20286471.

It is an arithmetic number, because the mean of its divisors is an integer number (9129403524280).

Almost surely, 2^{154605540650225} is an apocalyptic number.

It is an amenable number.

154605540650225 is a deficient number, since it is larger than the sum of its proper divisors (64500143932495).

154605540650225 is a wasteful number, since it uses less digits than its factorization.

154605540650225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30431369 (or 30431364 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 50.

The spelling of 154605540650225 in words is "one hundred fifty-four trillion, six hundred five billion, five hundred forty million, six hundred fifty thousand, two hundred twenty-five".