154223320325 has 12 divisors (see below), whose sum is σ = 191651762148. Its totient is φ = 123111014400.

The previous prime is 154223320313. The next prime is 154223320337. The reversal of 154223320325 is 523023322451.

It is an interprime number because it is at equal distance from previous prime (154223320313) and next prime (154223320337).

It can be written as a sum of positive squares in 6 ways, for example, as 48654212929 + 105569107396 = 220577^2 + 324914^2 .

It is not a de Polignac number, because 154223320325 - 2⁶ = 154223320261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154223320291 and 154223320300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6679292 + ... + 6702341.

It is an arithmetic number, because the mean of its divisors is an integer number (15970980179).

Almost surely, 2^154223320325 is an apocalyptic number.

It is an amenable number.

154223320325 is a deficient number, since it is larger than the sum of its proper divisors (37428441823).

154223320325 is a wasteful number, since it uses less digits than its factorization.

154223320325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382104 (or 13382099 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 154223320325 its reverse (523023322451), we get a palindrome (677246642776).

The spelling of 154223320325 in words is "one hundred fifty-four billion, two hundred twenty-three million, three hundred twenty thousand, three hundred twenty-five".