444452143 has 4 divisors (see below), whose sum is σ = 444494448. Its totient is φ = 444409840.

The previous prime is 444452101. The next prime is 444452147. The reversal of 444452143 is 341254444.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 444452143 - 2¹⁷ = 444321071 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 (444452147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7998 + ... + 30868.

It is an arithmetic number, because the mean of its divisors is an integer number (111123612).

Almost surely, 2^444452143 is an apocalyptic number.

444452143 is a deficient number, since it is larger than the sum of its proper divisors (42305).

444452143 is a wasteful number, since it uses less digits than its factorization.

444452143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42304.

The product of its digits is 30720, while the sum is 31.

The square root of 444452143 is about 21082.0336542754. The cubic root of 444452143 is about 763.1472346665.

The spelling of 444452143 in words is "four hundred forty-four million, four hundred fifty-two thousand, one hundred forty-three".