245045155 has 8 divisors (see below), whose sum is σ = 294755184. Its totient is φ = 195568800.

The previous prime is 245045149. The next prime is 245045167. The reversal of 245045155 is 551540542.

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

It is not a de Polignac number, because 245045155 - 2¹⁷ = 244914083 is a prime.

It is a Duffinian 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, 56101 + ... + 60310.

It is an arithmetic number, because the mean of its divisors is an integer number (36844398).

Almost surely, 2^245045155 is an apocalyptic number.

245045155 is a deficient number, since it is larger than the sum of its proper divisors (49710029).

245045155 is a wasteful number, since it uses less digits than its factorization.

245045155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116837.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 245045155 is about 15653.9181996074. The cubic root of 245045155 is about 625.7709143148.

Adding to 245045155 its reverse (551540542), we get a palindrome (796585697).

The spelling of 245045155 in words is "two hundred forty-five million, forty-five thousand, one hundred fifty-five".