1454445442 has 4 divisors (see below), whose sum is σ = 2181668166. Its totient is φ = 727222720.

The previous prime is 1454445401. The next prime is 1454445463. The reversal of 1454445442 is 2445444541.

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., 1080371161 + 374074281 = 32869^2 + 19341^2 .

It is a super-3 number, since 3×1454445442³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363611359 + ... + 363611362.

Almost surely, 2^1454445442 is an apocalyptic number.

1454445442 is a deficient number, since it is larger than the sum of its proper divisors (727222724).

1454445442 is an equidigital number, since it uses as much as digits as its factorization.

1454445442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727222723.

The product of its digits is 204800, while the sum is 37.

The square root of 1454445442 is about 38137.1923717518. The cubic root of 1454445442 is about 1133.0067007007.

Adding to 1454445442 its reverse (2445444541), we get a palindrome (3899889983).

Subtracting 1454445442 from its reverse (2445444541), we obtain a palindrome (990999099).

The spelling of 1454445442 in words is "one billion, four hundred fifty-four million, four hundred forty-five thousand, four hundred forty-two".