154102135451225 has 24 divisors (see below), whose sum is σ = 205968867690432. Its totient is φ = 113697165384000.

The previous prime is 154102135451149. The next prime is 154102135451237. The reversal of 154102135451225 is 522154531201451.

154102135451225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154102135451225 - 2²⁶ = 154102068342361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210748301 + ... + 211478250.

It is an arithmetic number, because the mean of its divisors is an integer number (8582036153768).

Almost surely, 2^{154102135451225} is an apocalyptic number.

It is an amenable number.

154102135451225 is a deficient number, since it is larger than the sum of its proper divisors (51866732239207).

154102135451225 is a wasteful number, since it uses less digits than its factorization.

154102135451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422227697 (or 422227692 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

Adding to 154102135451225 its reverse (522154531201451), we get a palindrome (676256666652676).

The spelling of 154102135451225 in words is "one hundred fifty-four trillion, one hundred two billion, one hundred thirty-five million, four hundred fifty-one thousand, two hundred twenty-five".