1442205242 has 4 divisors (see below), whose sum is σ = 2163307866. Its totient is φ = 721102620.

The previous prime is 1442205239. The next prime is 1442205253. The reversal of 1442205242 is 2425022441.

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., 1002925561 + 439279681 = 31669^2 + 20959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360551309 + ... + 360551312.

Almost surely, 2^1442205242 is an apocalyptic number.

1442205242 is a deficient number, since it is larger than the sum of its proper divisors (721102624).

1442205242 is an equidigital number, since it uses as much as digits as its factorization.

1442205242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721102623.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1442205242 is about 37976.3774207072. The cubic root of 1442205242 is about 1129.8193884727.

Adding to 1442205242 its reverse (2425022441), we get a palindrome (3867227683).

The spelling of 1442205242 in words is "one billion, four hundred forty-two million, two hundred five thousand, two hundred forty-two".