245202542 has 16 divisors (see below), whose sum is σ = 399606480. Its totient is φ = 112167552.

The previous prime is 245202499. The next prime is 245202599.

245202542 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38792 + ... + 44667.

It is an arithmetic number, because the mean of its divisors is an integer number (24975405).

Almost surely, 2^245202542 is an apocalyptic number.

245202542 is a deficient number, since it is larger than the sum of its proper divisors (154403938).

245202542 is a wasteful number, since it uses less digits than its factorization.

245202542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83587.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 245202542 is about 15658.9444727287. The cubic root of 245202542 is about 625.9048585108.

The spelling of 245202542 in words is "two hundred forty-five million, two hundred two thousand, five hundred forty-two".