145165255 has 8 divisors (see below), whose sum is σ = 174270672. Its totient is φ = 116083968.

The previous prime is 145165243. The next prime is 145165283. The reversal of 145165255 is 552561541.

145165255 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 145165255 - 2⁹ = 145164743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145165255.

It is a congruent number.

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, 12247 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (21783834).

Almost surely, 2^145165255 is an apocalyptic number.

145165255 is a deficient number, since it is larger than the sum of its proper divisors (29105417).

145165255 is an equidigital number, since it uses as much as digits as its factorization.

145165255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12065.

The product of its digits is 30000, while the sum is 34.

The square root of 145165255 is about 12048.4544652001. The cubic root of 145165255 is about 525.5582934684.

The spelling of 145165255 in words is "one hundred forty-five million, one hundred sixty-five thousand, two hundred fifty-five".