245634394 has 24 divisors (see below), whose sum is σ = 412018560. Its totient is φ = 109503936.

The previous prime is 245634371. The next prime is 245634407. The reversal of 245634394 is 493436542.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 202 + ... + 22165.

It is an arithmetic number, because the mean of its divisors is an integer number (17167440).

Almost surely, 2^245634394 is an apocalyptic number.

245634394 is a deficient number, since it is larger than the sum of its proper divisors (166384166).

245634394 is a wasteful number, since it uses less digits than its factorization.

245634394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22422 (or 22405 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 245634394 is about 15672.7277140898. The cubic root of 245634394 is about 626.2720919746.

The spelling of 245634394 in words is "two hundred forty-five million, six hundred thirty-four thousand, three hundred ninety-four".