245998018 has 32 divisors (see below), whose sum is σ = 441216000. Its totient is φ = 100576080.

The previous prime is 245998009. The next prime is 245998057. The reversal of 245998018 is 810899542.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159913 + ... + 161443.

It is an arithmetic number, because the mean of its divisors is an integer number (13788000).

Almost surely, 2^245998018 is an apocalyptic number.

245998018 is a deficient number, since it is larger than the sum of its proper divisors (195217982).

245998018 is a wasteful number, since it uses less digits than its factorization.

245998018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 245998018 is about 15684.3239573786. The cubic root of 245998018 is about 626.5809728278.

The spelling of 245998018 in words is "two hundred forty-five million, nine hundred ninety-eight thousand, eighteen".