142030403 has 2 divisors, whose sum is σ = 142030404. Its totient is φ = 142030402.

The previous prime is 142030373. The next prime is 142030417. The reversal of 142030403 is 304030241.

142030403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (304030241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142030403 - 2¹⁰ = 142029379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142030433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71015201 + 71015202.

It is an arithmetic number, because the mean of its divisors is an integer number (71015202).

Almost surely, 2^142030403 is an apocalyptic number.

142030403 is a deficient number, since it is larger than the sum of its proper divisors (1).

142030403 is an equidigital number, since it uses as much as digits as its factorization.

142030403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 142030403 is about 11917.6509010795. The cubic root of 142030403 is about 521.7475756786.

Adding to 142030403 its reverse (304030241), we get a palindrome (446060644).

The spelling of 142030403 in words is "one hundred forty-two million, thirty thousand, four hundred three".