154213146136325 has 24 divisors (see below), whose sum is σ = 191712401574120. Its totient is φ = 123055717075200.

The previous prime is 154213146136321. The next prime is 154213146136363. The reversal of 154213146136325 is 523631641312451.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 96770071003684 + 57443075132641 = 9837178^2 + 7579121^2 .

It is not a de Polignac number, because 154213146136325 - 2² = 154213146136321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154213146136325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154213146136321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58373927 + ... + 60958523.

It is an arithmetic number, because the mean of its divisors is an integer number (7988016732255).

Almost surely, 2^{154213146136325} is an apocalyptic number.

It is an amenable number.

154213146136325 is a deficient number, since it is larger than the sum of its proper divisors (37499255437795).

154213146136325 is a wasteful number, since it uses less digits than its factorization.

154213146136325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590697 (or 2590692 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

Adding to 154213146136325 its reverse (523631641312451), we get a palindrome (677844787448776).

The spelling of 154213146136325 in words is "one hundred fifty-four trillion, two hundred thirteen billion, one hundred forty-six million, one hundred thirty-six thousand, three hundred twenty-five".