245455165 has 16 divisors (see below), whose sum is σ = 299445120. Its totient is φ = 193112640.

The previous prime is 245455139. The next prime is 245455169. The reversal of 245455165 is 561554542.

It is not a de Polignac number, because 245455165 - 2¹³ = 245446973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245455169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219187 + ... + 220303.

It is an arithmetic number, because the mean of its divisors is an integer number (18715320).

Almost surely, 2^245455165 is an apocalyptic number.

It is an amenable number.

245455165 is a deficient number, since it is larger than the sum of its proper divisors (53989955).

245455165 is a wasteful number, since it uses less digits than its factorization.

245455165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812.

The product of its digits is 120000, while the sum is 37.

The square root of 245455165 is about 15667.0088083208. The cubic root of 245455165 is about 626.1197335169.

It can be divided in two parts, 24545516 and 5, that added together give a triangular number (24545521 = T₇₀₀₆).

The spelling of 245455165 in words is "two hundred forty-five million, four hundred fifty-five thousand, one hundred sixty-five".