202142453 has 2 divisors, whose sum is σ = 202142454. Its totient is φ = 202142452.

The previous prime is 202142449. The next prime is 202142459. The reversal of 202142453 is 354241202.

It is a happy number.

202142453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180445489 + 21696964 = 13433^2 + 4658^2 .

It is a cyclic number.

It is not a de Polignac number, because 202142453 - 2² = 202142449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202142459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071226 + 101071227.

It is an arithmetic number, because the mean of its divisors is an integer number (101071227).

Almost surely, 2^202142453 is an apocalyptic number.

It is an amenable number.

202142453 is a deficient number, since it is larger than the sum of its proper divisors (1).

202142453 is an equidigital number, since it uses as much as digits as its factorization.

202142453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 202142453 is about 14217.6809993754. The cubic root of 202142453 is about 586.8843254794.

Adding to 202142453 its reverse (354241202), we get a palindrome (556383655).

The spelling of 202142453 in words is "two hundred two million, one hundred forty-two thousand, four hundred fifty-three".