142275403 has 2 divisors, whose sum is σ = 142275404. Its totient is φ = 142275402.

The previous prime is 142275391. The next prime is 142275407. The reversal of 142275403 is 304572241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142275403 is a prime.

It is not a weakly prime, because it can be changed into another prime (142275407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71137701 + 71137702.

It is an arithmetic number, because the mean of its divisors is an integer number (71137702).

Almost surely, 2^142275403 is an apocalyptic number.

142275403 is a deficient number, since it is larger than the sum of its proper divisors (1).

142275403 is an equidigital number, since it uses as much as digits as its factorization.

142275403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 142275403 is about 11927.9253434954. The cubic root of 142275403 is about 522.0474052063.

The spelling of 142275403 in words is "one hundred forty-two million, two hundred seventy-five thousand, four hundred three".