245562155 has 8 divisors (see below), whose sum is σ = 302638992. Its totient is φ = 191140128.

The previous prime is 245562151. The next prime is 245562167. The reversal of 245562155 is 551265542.

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 245562155 - 2² = 245562151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245562151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663497 + ... + 663866.

It is an arithmetic number, because the mean of its divisors is an integer number (37829874).

Almost surely, 2^245562155 is an apocalyptic number.

245562155 is a deficient number, since it is larger than the sum of its proper divisors (57076837).

245562155 is a wasteful number, since it uses less digits than its factorization.

245562155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327405.

The product of its digits is 60000, while the sum is 35.

The square root of 245562155 is about 15670.4229362197. The cubic root of 245562155 is about 626.2106921781.

The spelling of 245562155 in words is "two hundred forty-five million, five hundred sixty-two thousand, one hundred fifty-five".