1452094421 has 4 divisors (see below), whose sum is σ = 1456255500. Its totient is φ = 1447933344.

The previous prime is 1452094393. The next prime is 1452094453. The reversal of 1452094421 is 1244902541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1026497521 + 425596900 = 32039^2 + 20630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452094421 - 2¹⁰ = 1452093397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452094471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080016 + ... + 2080713.

It is an arithmetic number, because the mean of its divisors is an integer number (364063875).

Almost surely, 2^1452094421 is an apocalyptic number.

It is an amenable number.

1452094421 is a deficient number, since it is larger than the sum of its proper divisors (4161079).

1452094421 is an equidigital number, since it uses as much as digits as its factorization.

1452094421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161078.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1452094421 is about 38106.3567006871. The cubic root of 1452094421 is about 1132.3958930789.

Adding to 1452094421 its reverse (1244902541), we get a palindrome (2696996962).

The spelling of 1452094421 in words is "one billion, four hundred fifty-two million, ninety-four thousand, four hundred twenty-one".