142133433 has 32 divisors (see below), whose sum is σ = 217512960. Its totient is φ = 81829440.

The previous prime is 142133423. The next prime is 142133441. The reversal of 142133433 is 334331241.

It is not a de Polignac number, because 142133433 - 2⁵ = 142133401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142133423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60348 + ... + 62658.

It is an arithmetic number, because the mean of its divisors is an integer number (6797280).

Almost surely, 2^142133433 is an apocalyptic number.

142133433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142133433 is a deficient number, since it is larger than the sum of its proper divisors (75379527).

142133433 is a wasteful number, since it uses less digits than its factorization.

142133433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429.

The product of its digits is 2592, while the sum is 24.

The square root of 142133433 is about 11921.9726975027. The cubic root of 142133433 is about 521.8737051517.

Adding to 142133433 its reverse (334331241), we get a palindrome (476464674).

The spelling of 142133433 in words is "one hundred forty-two million, one hundred thirty-three thousand, four hundred thirty-three".