457744129 has 4 divisors (see below), whose sum is σ = 461795076. Its totient is φ = 453693184.

The previous prime is 457744127. The next prime is 457744141. The reversal of 457744129 is 921447754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 921447754 = 2 ⋅460723877.

It can be written as a sum of positive squares in 2 ways, for example, as 228161025 + 229583104 = 15105^2 + 15152^2 .

It is a cyclic number.

It is not a de Polignac number, because 457744129 - 2¹ = 457744127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457744123) 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 3 ways as a sum of consecutive naturals, for example, 2025304 + ... + 2025529.

It is an arithmetic number, because the mean of its divisors is an integer number (115448769).

Almost surely, 2^457744129 is an apocalyptic number.

It is an amenable number.

457744129 is a deficient number, since it is larger than the sum of its proper divisors (4050947).

457744129 is a wasteful number, since it uses less digits than its factorization.

457744129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050946.

The product of its digits is 282240, while the sum is 43.

The square root of 457744129 is about 21394.9556905360. The cubic root of 457744129 is about 770.6803056057.

The spelling of 457744129 in words is "four hundred fifty-seven million, seven hundred forty-four thousand, one hundred twenty-nine".