155450263 has 2 divisors, whose sum is σ = 155450264. Its totient is φ = 155450262.

The previous prime is 155450189. The next prime is 155450279. The reversal of 155450263 is 362054551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155450263 - 2¹³ = 155442071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155450863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77725131 + 77725132.

It is an arithmetic number, because the mean of its divisors is an integer number (77725132).

Almost surely, 2^155450263 is an apocalyptic number.

155450263 is a deficient number, since it is larger than the sum of its proper divisors (1).

155450263 is an equidigital number, since it uses as much as digits as its factorization.

155450263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 155450263 is about 12467.9694818362. The cubic root of 155450263 is about 537.6881769822.

The spelling of 155450263 in words is "one hundred fifty-five million, four hundred fifty thousand, two hundred sixty-three".