142045403 has 2 divisors, whose sum is σ = 142045404. Its totient is φ = 142045402.

The previous prime is 142045381. The next prime is 142045429. The reversal of 142045403 is 304540241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142045403 - 2⁶ = 142045339 is a prime.

It is equal to p_8021084 and since 142045403 and 8021084 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142045433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022701 + 71022702.

It is an arithmetic number, because the mean of its divisors is an integer number (71022702).

Almost surely, 2^142045403 is an apocalyptic number.

142045403 is a deficient number, since it is larger than the sum of its proper divisors (1).

142045403 is an equidigital number, since it uses as much as digits as its factorization.

142045403 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 142045403 is about 11918.2802031166. The cubic root of 142045403 is about 521.7659424930.

Adding to 142045403 its reverse (304540241), we get a palindrome (446585644).

The spelling of 142045403 in words is "one hundred forty-two million, forty-five thousand, four hundred three".