245642026 has 8 divisors (see below), whose sum is σ = 421100640. Its totient is φ = 105275148.

The previous prime is 245642017. The next prime is 245642039. The reversal of 245642026 is 620246542.

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

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 3 ways as a sum of consecutive naturals, for example, 8772916 + ... + 8772943.

It is an arithmetic number, because the mean of its divisors is an integer number (52637580).

Almost surely, 2^245642026 is an apocalyptic number.

245642026 is a deficient number, since it is larger than the sum of its proper divisors (175458614).

245642026 is a wasteful number, since it uses less digits than its factorization.

245642026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545868.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 245642026 is about 15672.9711924702. The cubic root of 245642026 is about 626.2785781172.

Adding to 245642026 its reverse (620246542), we get a palindrome (865888568).

The spelling of 245642026 in words is "two hundred forty-five million, six hundred forty-two thousand, twenty-six".