142403235 has 32 divisors (see below), whose sum is σ = 256048128. Its totient is φ = 67056000.

The previous prime is 142403227. The next prime is 142403249. The reversal of 142403235 is 532304241.

It is not a de Polignac number, because 142403235 - 2³ = 142403227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11391 + ... + 20360.

It is an arithmetic number, because the mean of its divisors is an integer number (8001504).

Almost surely, 2^142403235 is an apocalyptic number.

142403235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142403235 is a deficient number, since it is larger than the sum of its proper divisors (113644893).

142403235 is a wasteful number, since it uses less digits than its factorization.

142403235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31795.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 142403235 is about 11933.2826581792. The cubic root of 142403235 is about 522.2037086054.

Adding to 142403235 its reverse (532304241), we get a palindrome (674707476).

The spelling of 142403235 in words is "one hundred forty-two million, four hundred three thousand, two hundred thirty-five".