142178453 has 2 divisors, whose sum is σ = 142178454. Its totient is φ = 142178452.

The previous prime is 142178441. The next prime is 142178467. The reversal of 142178453 is 354871241.

142178453 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., 123498769 + 18679684 = 11113^2 + 4322^2 .

It is an emirp because it is prime and its reverse (354871241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142178453 - 2⁶ = 142178389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142178473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71089226 + 71089227.

It is an arithmetic number, because the mean of its divisors is an integer number (71089227).

Almost surely, 2^142178453 is an apocalyptic number.

It is an amenable number.

142178453 is a deficient number, since it is larger than the sum of its proper divisors (1).

142178453 is an equidigital number, since it uses as much as digits as its factorization.

142178453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 142178453 is about 11923.8606583606. The cubic root of 142178453 is about 521.9287995644.

The spelling of 142178453 in words is "one hundred forty-two million, one hundred seventy-eight thousand, four hundred fifty-three".