245828542 has 8 divisors (see below), whose sum is σ = 369383616. Its totient is φ = 122700672.

The previous prime is 245828521. The next prime is 245828567.

245828542 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 245828495 and 245828504.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 105358 + ... + 107665.

It is an arithmetic number, because the mean of its divisors is an integer number (46172952).

Almost surely, 2^245828542 is an apocalyptic number.

245828542 is a deficient number, since it is larger than the sum of its proper divisors (123555074).

245828542 is a wasteful number, since it uses less digits than its factorization.

245828542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213602.

The product of its digits is 204800, while the sum is 40.

The square root of 245828542 is about 15678.9203072150. The cubic root of 245828542 is about 626.4370491313.

It can be divided in two parts, 24582 and 8542, that added together give a square (33124 = 182²).

The spelling of 245828542 in words is "two hundred forty-five million, eight hundred twenty-eight thousand, five hundred forty-two".