457149 has 16 divisors (see below), whose sum is σ = 760320. Its totient is φ = 237360.

The previous prime is 457139. The next prime is 457151. The reversal of 457149 is 941754.

It is a happy number.

457149 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 457149 - 2⁵ = 457117 is a prime.

457149 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2⁴⁵⁷¹⁴⁹ is an apocalyptic number.

It is an amenable number.

457149 is a deficient number, since it is larger than the sum of its proper divisors (303171).

457149 is a wasteful number, since it uses less digits than its factorization.

457149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its digits is 5040, while the sum is 30.

The square root of 457149 is about 676.1279464717. The cubic root of 457149 is about 77.0346164700.

It can be divided in two parts, 457 and 149, that added together give a palindrome (606).

The spelling of 457149 in words is "four hundred fifty-seven thousand, one hundred forty-nine".