1442543254 has 4 divisors (see below), whose sum is σ = 2163814884. Its totient is φ = 721271626.

The previous prime is 1442543209. The next prime is 1442543269. The reversal of 1442543254 is 4523452441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4523452441 = 83 ⋅54499427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360635812 + ... + 360635815.

It is an arithmetic number, because the mean of its divisors is an integer number (540953721).

Almost surely, 2^1442543254 is an apocalyptic number.

1442543254 is a deficient number, since it is larger than the sum of its proper divisors (721271630).

1442543254 is an equidigital number, since it uses as much as digits as its factorization.

1442543254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721271629.

The product of its digits is 76800, while the sum is 34.

The square root of 1442543254 is about 37980.8274528083. The cubic root of 1442543254 is about 1129.9076474502.

Adding to 1442543254 its reverse (4523452441), we get a palindrome (5965995695).

The spelling of 1442543254 in words is "one billion, four hundred forty-two million, five hundred forty-three thousand, two hundred fifty-four".