4442145031 has 8 divisors (see below), whose sum is σ = 4596092928. Its totient is φ = 4288863000.

The previous prime is 4442145023. The next prime is 4442145053. The reversal of 4442145031 is 1305412444.

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 4442145031 - 2³ = 4442145023 is a prime.

It is a super-2 number, since 2×4442145031² = 39465304952875981922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442145011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152875 + ... + 179596.

It is an arithmetic number, because the mean of its divisors is an integer number (574511616).

Almost surely, 2^4442145031 is an apocalyptic number.

4442145031 is a deficient number, since it is larger than the sum of its proper divisors (153947897).

4442145031 is a wasteful number, since it uses less digits than its factorization.

4442145031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332933.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 4442145031 is about 66649.4188346755. The cubic root of 4442145031 is about 1643.8577919144.

Adding to 4442145031 its reverse (1305412444), we get a palindrome (5747557475).

The spelling of 4442145031 in words is "four billion, four hundred forty-two million, one hundred forty-five thousand, thirty-one".