155132325 has 36 divisors (see below), whose sum is σ = 283123620. Its totient is φ = 81169920.

The previous prime is 155132323. The next prime is 155132353. The reversal of 155132325 is 523231551.

It is a happy number.

155132325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5461569 + 149670756 = 2337^2 + 12234^2 .

It is not a de Polignac number, because 155132325 - 2¹ = 155132323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155132323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5421 + ... + 18429.

It is an arithmetic number, because the mean of its divisors is an integer number (7864545).

Almost surely, 2^155132325 is an apocalyptic number.

155132325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155132325 is a deficient number, since it is larger than the sum of its proper divisors (127991295).

155132325 is a wasteful number, since it uses less digits than its factorization.

155132325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13078 (or 13070 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 155132325 is about 12455.2127641402. The cubic root of 155132325 is about 537.3213540076.

Adding to 155132325 its reverse (523231551), we get a palindrome (678363876).

The spelling of 155132325 in words is "one hundred fifty-five million, one hundred thirty-two thousand, three hundred twenty-five".