457304145 has 32 divisors (see below), whose sum is σ = 745621632. Its totient is φ = 239281152.

The previous prime is 457304117. The next prime is 457304149. The reversal of 457304145 is 541403754.

It is not a de Polignac number, because 457304145 - 2⁷ = 457304017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (457304149) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 293689 + ... + 295241.

It is an arithmetic number, because the mean of its divisors is an integer number (23300676).

Almost surely, 2^457304145 is an apocalyptic number.

It is an amenable number.

457304145 is a deficient number, since it is larger than the sum of its proper divisors (288317487).

457304145 is a wasteful number, since it uses less digits than its factorization.

457304145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 457304145 is about 21384.6707947539. The cubic root of 457304145 is about 770.4333002857.

Adding to 457304145 its reverse (541403754), we get a palindrome (998707899).

The spelling of 457304145 in words is "four hundred fifty-seven million, three hundred four thousand, one hundred forty-five".