1402544453 has 2 divisors, whose sum is σ = 1402544454. Its totient is φ = 1402544452.

The previous prime is 1402544447. The next prime is 1402544477. The reversal of 1402544453 is 3544452041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1253655649 + 148888804 = 35407^2 + 12202^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402544453 - 2²⁰ = 1401495877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402544483) by changing a digit.

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, 701272226 + 701272227.

It is an arithmetic number, because the mean of its divisors is an integer number (701272227).

Almost surely, 2^1402544453 is an apocalyptic number.

It is an amenable number.

1402544453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402544453 is an equidigital number, since it uses as much as digits as its factorization.

1402544453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 1402544453 is about 37450.5601159716. The cubic root of 1402544453 is about 1119.3662584458.

Adding to 1402544453 its reverse (3544452041), we get a palindrome (4946996494).

The spelling of 1402544453 in words is "one billion, four hundred two million, five hundred forty-four thousand, four hundred fifty-three".