142443403 has 2 divisors, whose sum is σ = 142443404. Its totient is φ = 142443402.

The previous prime is 142443359. The next prime is 142443449. The reversal of 142443403 is 304344241.

142443403 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 is a cyclic number.

It is not a de Polignac number, because 142443403 - 2²¹ = 140346251 is a prime.

It is not a weakly prime, because it can be changed into another prime (142443463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71221701 + 71221702.

It is an arithmetic number, because the mean of its divisors is an integer number (71221702).

Almost surely, 2^142443403 is an apocalyptic number.

142443403 is a deficient number, since it is larger than the sum of its proper divisors (1).

142443403 is an equidigital number, since it uses as much as digits as its factorization.

142443403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 142443403 is about 11934.9655634191. The cubic root of 142443403 is about 522.2528037135.

Adding to 142443403 its reverse (304344241), we get a palindrome (446787644).

The spelling of 142443403 in words is "one hundred forty-two million, four hundred forty-three thousand, four hundred three".