154221006625 has 16 divisors (see below), whose sum is σ = 219963219840. Its totient is φ = 105751546800.

The previous prime is 154221006613. The next prime is 154221006631. The reversal of 154221006625 is 526600122451.

It is not a de Polignac number, because 154221006625 - 2⁷ = 154221006497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88125415 + ... + 88127164.

It is an arithmetic number, because the mean of its divisors is an integer number (13747701240).

Almost surely, 2^154221006625 is an apocalyptic number.

It is an amenable number.

154221006625 is a deficient number, since it is larger than the sum of its proper divisors (65742213215).

154221006625 is an equidigital number, since it uses as much as digits as its factorization.

154221006625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176252601 (or 176252591 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 154221006625 in words is "one hundred fifty-four billion, two hundred twenty-one million, six thousand, six hundred twenty-five".