1442530346 has 4 divisors (see below), whose sum is σ = 2163795522. Its totient is φ = 721265172.

The previous prime is 1442530343. The next prime is 1442530357. The reversal of 1442530346 is 6430352441.

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., 1386445225 + 56085121 = 37235^2 + 7489^2 .

It is not an unprimeable number, because it can be changed into a prime (1442530343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360632585 + ... + 360632588.

Almost surely, 2^1442530346 is an apocalyptic number.

1442530346 is a deficient number, since it is larger than the sum of its proper divisors (721265176).

1442530346 is an equidigital number, since it uses as much as digits as its factorization.

1442530346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721265175.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 1442530346 is about 37980.6575245874. The cubic root of 1442530346 is about 1129.9042772702.

Adding to 1442530346 its reverse (6430352441), we get a palindrome (7872882787).

The spelling of 1442530346 in words is "one billion, four hundred forty-two million, five hundred thirty thousand, three hundred forty-six".