4457149 has 4 divisors (see below), whose sum is σ = 4600960. Its totient is φ = 4313340.

The previous prime is 4457143. The next prime is 4457171. The reversal of 4457149 is 9417544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4457149 - 2¹³ = 4448957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71859 + ... + 71920.

It is an arithmetic number, because the mean of its divisors is an integer number (1150240).

Almost surely, 2^4457149 is an apocalyptic number.

It is an amenable number.

4457149 is a deficient number, since it is larger than the sum of its proper divisors (143811).

4457149 is a wasteful number, since it uses less digits than its factorization.

4457149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143810.

The product of its digits is 20160, while the sum is 34.

The square root of 4457149 is about 2111.1961064761. The cubic root of 4457149 is about 164.5706498941.

The spelling of 4457149 in words is "four million, four hundred fifty-seven thousand, one hundred forty-nine".