245923438 has 8 divisors (see below), whose sum is σ = 369144432. Its totient is φ = 122875296.

The previous prime is 245923367. The next prime is 245923459. The reversal of 245923438 is 834329542.

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

It is a self number, because there is not a number n which added to its sum of digits gives 245923438.

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, 39595 + ... + 45382.

It is an arithmetic number, because the mean of its divisors is an integer number (46143054).

Almost surely, 2^245923438 is an apocalyptic number.

245923438 is a deficient number, since it is larger than the sum of its proper divisors (123220994).

245923438 is a wasteful number, since it uses less digits than its factorization.

245923438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86426.

The product of its digits is 207360, while the sum is 40.

The square root of 245923438 is about 15681.9462440094. The cubic root of 245923438 is about 626.5176455802.

The spelling of 245923438 in words is "two hundred forty-five million, nine hundred twenty-three thousand, four hundred thirty-eight".