155133325 has 12 divisors (see below), whose sum is σ = 198999540. Its totient is φ = 119826560.

The previous prime is 155133317. The next prime is 155133337. The reversal of 155133325 is 523331551.

It can be written as a sum of positive squares in 6 ways, for example, as 4678569 + 150454756 = 2163^2 + 12266^2 .

It is not a de Polignac number, because 155133325 - 2³ = 155133317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155133293 and 155133302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106264 + ... + 107713.

It is an arithmetic number, because the mean of its divisors is an integer number (16583295).

Almost surely, 2^155133325 is an apocalyptic number.

It is an amenable number.

155133325 is a deficient number, since it is larger than the sum of its proper divisors (43866215).

155133325 is a wasteful number, since it uses less digits than its factorization.

155133325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214016 (or 214011 counting only the distinct ones).

The product of its digits is 6750, while the sum is 28.

The square root of 155133325 is about 12455.2529079100. The cubic root of 155133325 is about 537.3225085492.

Adding to 155133325 its reverse (523331551), we get a palindrome (678464876).

The spelling of 155133325 in words is "one hundred fifty-five million, one hundred thirty-three thousand, three hundred twenty-five".