142233403 has 8 divisors (see below), whose sum is σ = 159834528. Its totient is φ = 125583744.

The previous prime is 142233401. The next prime is 142233437. The reversal of 142233403 is 304332241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142233403 - 2¹ = 142233401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142233401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237550 + ... + 238147.

It is an arithmetic number, because the mean of its divisors is an integer number (19979316).

Almost surely, 2^142233403 is an apocalyptic number.

142233403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142233403 is a deficient number, since it is larger than the sum of its proper divisors (17601125).

142233403 is a wasteful number, since it uses less digits than its factorization.

142233403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475733.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 142233403 is about 11926.1646391453. The cubic root of 142233403 is about 521.9960303178.

Adding to 142233403 its reverse (304332241), we get a palindrome (446565644).

The spelling of 142233403 in words is "one hundred forty-two million, two hundred thirty-three thousand, four hundred three".