4144557 has 4 divisors (see below), whose sum is σ = 5526080. Its totient is φ = 2763036.

The previous prime is 4144541. The next prime is 4144579. The reversal of 4144557 is 7554414.

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 4144557 - 2⁴ = 4144541 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144537) 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, 690757 + ... + 690762.

It is an arithmetic number, because the mean of its divisors is an integer number (1381520).

Almost surely, 2^4144557 is an apocalyptic number.

It is an amenable number.

4144557 is a deficient number, since it is larger than the sum of its proper divisors (1381523).

4144557 is a wasteful number, since it uses less digits than its factorization.

4144557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381522.

The product of its digits is 11200, while the sum is 30.

The square root of 4144557 is about 2035.8185086102. The cubic root of 4144557 is about 160.6297705336.

The spelling of 4144557 in words is "four million, one hundred forty-four thousand, five hundred fifty-seven".