1442154242 has 4 divisors (see below), whose sum is σ = 2163231366. Its totient is φ = 721077120.

The previous prime is 1442154229. The next prime is 1442154269. The reversal of 1442154242 is 2424512441.

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., 1122853081 + 319301161 = 33509^2 + 17869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360538559 + ... + 360538562.

Almost surely, 2^1442154242 is an apocalyptic number.

1442154242 is a deficient number, since it is larger than the sum of its proper divisors (721077124).

1442154242 is an equidigital number, since it uses as much as digits as its factorization.

1442154242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721077123.

The product of its digits is 10240, while the sum is 29.

The square root of 1442154242 is about 37975.7059447221. The cubic root of 1442154242 is about 1129.8060705652.

Adding to 1442154242 its reverse (2424512441), we get a palindrome (3866666683).

The spelling of 1442154242 in words is "one billion, four hundred forty-two million, one hundred fifty-four thousand, two hundred forty-two".