155325101 has 2 divisors, whose sum is σ = 155325102. Its totient is φ = 155325100.

The previous prime is 155325091. The next prime is 155325113. The reversal of 155325101 is 101523551.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124300201 + 31024900 = 11149^2 + 5570^2 .

It is an emirp because it is prime and its reverse (101523551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155325101 - 2²⁶ = 88216237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155325161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77662550 + 77662551.

It is an arithmetic number, because the mean of its divisors is an integer number (77662551).

Almost surely, 2^155325101 is an apocalyptic number.

It is an amenable number.

155325101 is a deficient number, since it is larger than the sum of its proper divisors (1).

155325101 is an equidigital number, since it uses as much as digits as its factorization.

155325101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 155325101 is about 12462.9491293193. The cubic root of 155325101 is about 537.5438302819.

Adding to 155325101 its reverse (101523551), we get a palindrome (256848652).

The spelling of 155325101 in words is "one hundred fifty-five million, three hundred twenty-five thousand, one hundred one".