457504145 has 32 divisors (see below), whose sum is σ = 651006720. Its totient is φ = 301996800.

The previous prime is 457504111. The next prime is 457504147. The reversal of 457504145 is 541405754.

It is not a de Polignac number, because 457504145 - 2²⁸ = 189068689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (457504147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652295 + ... + 652995.

It is an arithmetic number, because the mean of its divisors is an integer number (20343960).

Almost surely, 2^457504145 is an apocalyptic number.

It is an amenable number.

457504145 is a deficient number, since it is larger than the sum of its proper divisors (193502575).

457504145 is a wasteful number, since it uses less digits than its factorization.

457504145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its (nonzero) digits is 56000, while the sum is 35.

The square root of 457504145 is about 21389.3465304576. The cubic root of 457504145 is about 770.5455991457.

Adding to 457504145 its reverse (541405754), we get a palindrome (998909899).

The spelling of 457504145 in words is "four hundred fifty-seven million, five hundred four thousand, one hundred forty-five".