444157 has 8 divisors (see below), whose sum is σ = 513216. Its totient is φ = 376512.

The previous prime is 444151. The next prime is 444167. The reversal of 444157 is 751444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444157 - 2⁷ = 444029 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 (444151) 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 7 ways as a sum of consecutive naturals, for example, 453 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (64152).

2⁴⁴⁴¹⁵⁷ is an apocalyptic number.

It is an amenable number.

444157 is a deficient number, since it is larger than the sum of its proper divisors (69059).

444157 is a wasteful number, since it uses less digits than its factorization.

444157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its digits is 2240, while the sum is 25.

The square root of 444157 is about 666.4510484649. The cubic root of 444157 is about 76.2978272013.

The spelling of 444157 in words is "four hundred forty-four thousand, one hundred fifty-seven".