155541125 has 32 divisors (see below), whose sum is σ = 207168000. Its totient is φ = 116251200.

The previous prime is 155541121. The next prime is 155541131. The reversal of 155541125 is 521145551.

It is not a de Polignac number, because 155541125 - 2² = 155541121 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155541121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187211 + ... + 188039.

It is an arithmetic number, because the mean of its divisors is an integer number (6474000).

Almost surely, 2^155541125 is an apocalyptic number.

It is an amenable number.

155541125 is a deficient number, since it is larger than the sum of its proper divisors (51626875).

155541125 is an equidigital number, since it uses as much as digits as its factorization.

155541125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 932 counting only the distinct ones).

The product of its digits is 5000, while the sum is 29.

The square root of 155541125 is about 12471.6127665992. The cubic root of 155541125 is about 537.7929176808.

Adding to 155541125 its reverse (521145551), we get a palindrome (676686676).

The spelling of 155541125 in words is "one hundred fifty-five million, five hundred forty-one thousand, one hundred twenty-five".