155273263 has 8 divisors (see below), whose sum is σ = 165686000. Its totient is φ = 145084608.

The previous prime is 155273231. The next prime is 155273269. The reversal of 155273263 is 362372551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155273263 - 2⁵ = 155273231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155273269) 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 in 7 ways as a sum of consecutive naturals, for example, 54588 + ... + 57361.

It is an arithmetic number, because the mean of its divisors is an integer number (20710750).

Almost surely, 2^155273263 is an apocalyptic number.

155273263 is a deficient number, since it is larger than the sum of its proper divisors (10412737).

155273263 is a wasteful number, since it uses less digits than its factorization.

155273263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112041.

The product of its digits is 37800, while the sum is 34.

The square root of 155273263 is about 12460.8692714433. The cubic root of 155273263 is about 537.4840238987.

The spelling of 155273263 in words is "one hundred fifty-five million, two hundred seventy-three thousand, two hundred sixty-three".