265430155 has 8 divisors (see below), whose sum is σ = 318607200. Its totient is φ = 212283456.

The previous prime is 265430149. The next prime is 265430167. The reversal of 265430155 is 551034562.

265430155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 265430155 - 2¹⁹ = 264905867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22551 + ... + 32239.

It is an arithmetic number, because the mean of its divisors is an integer number (39825900).

Almost surely, 2^265430155 is an apocalyptic number.

265430155 is a deficient number, since it is larger than the sum of its proper divisors (53177045).

265430155 is an equidigital number, since it uses as much as digits as its factorization.

265430155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15173.

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

The square root of 265430155 is about 16292.0273446861. The cubic root of 265430155 is about 642.6631823196.

The spelling of 265430155 in words is "two hundred sixty-five million, four hundred thirty thousand, one hundred fifty-five".