1452402403 has 4 divisors (see below), whose sum is σ = 1491656560. Its totient is φ = 1413148248.

The previous prime is 1452402401. The next prime is 1452402431. The reversal of 1452402403 is 3042042541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042042541 = 401 ⋅7586141.

It is a cyclic number.

It is not a de Polignac number, because 1452402403 - 2¹ = 1452402401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452402401) 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, 19627023 + ... + 19627096.

It is an arithmetic number, because the mean of its divisors is an integer number (372914140).

Almost surely, 2^1452402403 is an apocalyptic number.

1452402403 is a deficient number, since it is larger than the sum of its proper divisors (39254157).

1452402403 is an equidigital number, since it uses as much as digits as its factorization.

1452402403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39254156.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1452402403 is about 38110.3975707418. The cubic root of 1452402403 is about 1132.4759459307.

Adding to 1452402403 its reverse (3042042541), we get a palindrome (4494444944).

The spelling of 1452402403 in words is "one billion, four hundred fifty-two million, four hundred two thousand, four hundred three".