245218355 has 8 divisors (see below), whose sum is σ = 296410752. Its totient is φ = 194742208.

The previous prime is 245218343. The next prime is 245218357. The reversal of 245218355 is 553812542.

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 245218355 - 2¹² = 245214259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245218357) 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, 178307 + ... + 179676.

It is an arithmetic number, because the mean of its divisors is an integer number (37051344).

Almost surely, 2^245218355 is an apocalyptic number.

245218355 is a deficient number, since it is larger than the sum of its proper divisors (51192397).

245218355 is a wasteful number, since it uses less digits than its factorization.

245218355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358125.

The product of its digits is 48000, while the sum is 35.

The square root of 245218355 is about 15659.4493836789. The cubic root of 245218355 is about 625.9183129945.

The spelling of 245218355 in words is "two hundred forty-five million, two hundred eighteen thousand, three hundred fifty-five".