142342403 has 6 divisors (see below), whose sum is σ = 165582036. Its totient is φ = 122007732.

The previous prime is 142342391. The next prime is 142342457. The reversal of 142342403 is 304243241.

It is not a de Polignac number, because 142342403 - 2⁶ = 142342339 is a prime.

It is a super-2 number, since 2×142342403² = 40522719383628818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142342493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1452425 + ... + 1452522.

It is an arithmetic number, because the mean of its divisors is an integer number (27597006).

Almost surely, 2^142342403 is an apocalyptic number.

142342403 is a deficient number, since it is larger than the sum of its proper divisors (23239633).

142342403 is an equidigital number, since it uses as much as digits as its factorization.

142342403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904961 (or 2904954 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 142342403 is about 11930.7335482777. The cubic root of 142342403 is about 522.1293394605.

Adding to 142342403 its reverse (304243241), we get a palindrome (446585644).

The spelling of 142342403 in words is "one hundred forty-two million, three hundred forty-two thousand, four hundred three".