155252033 has 2 divisors, whose sum is σ = 155252034. Its totient is φ = 155252032.

The previous prime is 155252023. The next prime is 155252057. The reversal of 155252033 is 330252551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100240144 + 55011889 = 10012^2 + 7417^2 .

It is a cyclic number.

It is not a de Polignac number, because 155252033 - 2⁶ = 155251969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155251993 and 155252011.

It is not a weakly prime, because it can be changed into another prime (155252023) 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, 77626016 + 77626017.

It is an arithmetic number, because the mean of its divisors is an integer number (77626017).

Almost surely, 2^155252033 is an apocalyptic number.

It is an amenable number.

155252033 is a deficient number, since it is larger than the sum of its proper divisors (1).

155252033 is an equidigital number, since it uses as much as digits as its factorization.

155252033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 155252033 is about 12460.0173755898. The cubic root of 155252033 is about 537.4595266442.

The spelling of 155252033 in words is "one hundred fifty-five million, two hundred fifty-two thousand, thirty-three".