457245238 has 8 divisors (see below), whose sum is σ = 688032432. Its totient is φ = 227901096.

The previous prime is 457245227. The next prime is 457245247. The reversal of 457245238 is 832542754.

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 457245238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359970 + ... + 361237.

It is an arithmetic number, because the mean of its divisors is an integer number (86004054).

Almost surely, 2^457245238 is an apocalyptic number.

457245238 is a deficient number, since it is larger than the sum of its proper divisors (230787194).

457245238 is a wasteful number, since it uses less digits than its factorization.

457245238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721526.

The product of its digits is 268800, while the sum is 40.

The square root of 457245238 is about 21383.2934320230. The cubic root of 457245238 is about 770.4002180990.

The spelling of 457245238 in words is "four hundred fifty-seven million, two hundred forty-five thousand, two hundred thirty-eight".