155641325 has 24 divisors (see below), whose sum is σ = 221360832. Its totient is φ = 106341120.

The previous prime is 155641279. The next prime is 155641327. The reversal of 155641325 is 523146551.

It is not a de Polignac number, because 155641325 - 2¹⁰ = 155640301 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155641291 and 155641300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155641327) 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, 52277 + ... + 55173.

It is an arithmetic number, because the mean of its divisors is an integer number (9223368).

Almost surely, 2^155641325 is an apocalyptic number.

It is an amenable number.

155641325 is a deficient number, since it is larger than the sum of its proper divisors (65719507).

155641325 is a wasteful number, since it uses less digits than its factorization.

155641325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3216 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 155641325 is about 12475.6292426474. The cubic root of 155641325 is about 537.9083754268.

Adding to 155641325 its reverse (523146551), we get a palindrome (678787876).

The spelling of 155641325 in words is "one hundred fifty-five million, six hundred forty-one thousand, three hundred twenty-five".