155002063 has 2 divisors, whose sum is σ = 155002064. Its totient is φ = 155002062.

The previous prime is 155002049. The next prime is 155002091. The reversal of 155002063 is 360200551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155002063 - 2⁵ = 155002031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155002163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77501031 + 77501032.

It is an arithmetic number, because the mean of its divisors is an integer number (77501032).

Almost surely, 2^155002063 is an apocalyptic number.

155002063 is a deficient number, since it is larger than the sum of its proper divisors (1).

155002063 is an equidigital number, since it uses as much as digits as its factorization.

155002063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 155002063 is about 12449.9824497868. The cubic root of 155002063 is about 537.1709186639.

The spelling of 155002063 in words is "one hundred fifty-five million, two thousand, sixty-three".