1443240042 has 16 divisors (see below), whose sum is σ = 2986014240. Its totient is φ = 464490992.

The previous prime is 1443240037. The next prime is 1443240047. The reversal of 1443240042 is 2400423441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1443240037) and next prime (1443240047).

It is a junction number, because it is equal to n+sod(n) for n = 1443239994 and 1443240021.

It is not an unprimeable number, because it can be changed into a prime (1443240047) 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, 4147068 + ... + 4147415.

It is an arithmetic number, because the mean of its divisors is an integer number (186625890).

Almost surely, 2^1443240042 is an apocalyptic number.

1443240042 is an abundant number, since it is smaller than the sum of its proper divisors (1542774198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443240042 is a wasteful number, since it uses less digits than its factorization.

1443240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294517.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1443240042 is about 37989.9992366412. Note that the first 3 decimals coincide. The cubic root of 1443240042 is about 1130.0895436390.

Adding to 1443240042 its reverse (2400423441), we get a palindrome (3843663483).

The spelling of 1443240042 in words is "one billion, four hundred forty-three million, two hundred forty thousand, forty-two".