1442204542 has 4 divisors (see below), whose sum is σ = 2163306816. Its totient is φ = 721102270.

The previous prime is 1442204521. The next prime is 1442204549. The reversal of 1442204542 is 2454022441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2454022441 = 13 ⋅188770957.

It is a self number, because there is not a number n which added to its sum of digits gives 1442204542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442204549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360551134 + ... + 360551137.

It is an arithmetic number, because the mean of its divisors is an integer number (540826704).

Almost surely, 2^1442204542 is an apocalyptic number.

1442204542 is a deficient number, since it is larger than the sum of its proper divisors (721102274).

1442204542 is an equidigital number, since it uses as much as digits as its factorization.

1442204542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721102273.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 1442204542 is about 37976.3682044505. The cubic root of 1442204542 is about 1129.8192056800.

Adding to 1442204542 its reverse (2454022441), we get a palindrome (3896226983).

The spelling of 1442204542 in words is "one billion, four hundred forty-two million, two hundred four thousand, five hundred forty-two".