154051522225 has 12 divisors (see below), whose sum is σ = 193640655436. Its totient is φ = 121552980480.

The previous prime is 154051522201. The next prime is 154051522319. The reversal of 154051522225 is 522225150451.

It can be written as a sum of positive squares in 6 ways, for example, as 55711296 + 153995810929 = 7464^2 + 392423^2 .

It is not a de Polignac number, because 154051522225 - 2¹³ = 154051514033 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 42204072 + ... + 42207721.

Almost surely, 2^154051522225 is an apocalyptic number.

It is an amenable number.

154051522225 is a deficient number, since it is larger than the sum of its proper divisors (39589133211).

154051522225 is an equidigital number, since it uses as much as digits as its factorization.

154051522225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84411876 (or 84411871 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 154051522225 its reverse (522225150451), we get a palindrome (676276672676).

The spelling of 154051522225 in words is "one hundred fifty-four billion, fifty-one million, five hundred twenty-two thousand, two hundred twenty-five".