142235403 has 16 divisors (see below), whose sum is σ = 191901696. Its totient is φ = 93703680.

The previous prime is 142235399. The next prime is 142235417. The reversal of 142235403 is 304532241.

142235403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142235403 - 2² = 142235399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142235453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95958 + ... + 97428.

It is an arithmetic number, because the mean of its divisors is an integer number (11993856).

Almost surely, 2^142235403 is an apocalyptic number.

142235403 is a deficient number, since it is larger than the sum of its proper divisors (49666293).

142235403 is a wasteful number, since it uses less digits than its factorization.

142235403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834.

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

The square root of 142235403 is about 11926.2484881039. The cubic root of 142235403 is about 521.9984769704.

Adding to 142235403 its reverse (304532241), we get a palindrome (446767644).

The spelling of 142235403 in words is "one hundred forty-two million, two hundred thirty-five thousand, four hundred three".