245111042 has 16 divisors (see below), whose sum is σ = 405065664. Its totient is φ = 110310000.

The previous prime is 245111033. The next prime is 245111059. The reversal of 245111042 is 240111542.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52934 + ... + 57377.

It is an arithmetic number, because the mean of its divisors is an integer number (25316604).

Almost surely, 2^245111042 is an apocalyptic number.

245111042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245111042 is a deficient number, since it is larger than the sum of its proper divisors (159954622).

245111042 is a wasteful number, since it uses less digits than its factorization.

245111042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110425.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 245111042 is about 15656.0225472500. The cubic root of 245111042 is about 625.8269944191.

Adding to 245111042 its reverse (240111542), we get a palindrome (485222584).

The spelling of 245111042 in words is "two hundred forty-five million, one hundred eleven thousand, forty-two".