245215106 has 8 divisors (see below), whose sum is σ = 389459340. Its totient is φ = 115395328.

The previous prime is 245215093. The next prime is 245215133. The reversal of 245215106 is 601512542.

It can be written as a sum of positive squares in 2 ways, for example, as 228281881 + 16933225 = 15109^2 + 4115^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3606071 + ... + 3606138.

Almost surely, 2^245215106 is an apocalyptic number.

245215106 is a deficient number, since it is larger than the sum of its proper divisors (144244234).

245215106 is a wasteful number, since it uses less digits than its factorization.

245215106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212228.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 245215106 is about 15659.3456440555. The cubic root of 245215106 is about 625.9155486316.

Adding to 245215106 its reverse (601512542), we get a palindrome (846727648).

The spelling of 245215106 in words is "two hundred forty-five million, two hundred fifteen thousand, one hundred six".