1443001442 has 4 divisors (see below), whose sum is σ = 2164502166. Its totient is φ = 721500720.

The previous prime is 1443001403. The next prime is 1443001447. The reversal of 1443001442 is 2441003441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 887503681 + 555497761 = 29791^2 + 23569^2 .

It is a super-2 number, since 2×1443001442² = 4164506323228158728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1443001447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360750359 + ... + 360750362.

Almost surely, 2^1443001442 is an apocalyptic number.

1443001442 is a deficient number, since it is larger than the sum of its proper divisors (721500724).

1443001442 is an equidigital number, since it uses as much as digits as its factorization.

1443001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721500723.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1443001442 is about 37986.8588066979. The cubic root of 1443001442 is about 1130.0272638108.

Adding to 1443001442 its reverse (2441003441), we get a palindrome (3884004883).

The spelling of 1443001442 in words is "one billion, four hundred forty-three million, one thousand, four hundred forty-two".