142633430 has 16 divisors (see below), whose sum is σ = 258161904. Its totient is φ = 56737440.

The previous prime is 142633429. The next prime is 142633471. The reversal of 142633430 is 34336241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142633430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37592 + ... + 41211.

It is an arithmetic number, because the mean of its divisors is an integer number (16135119).

Almost surely, 2^142633430 is an apocalyptic number.

142633430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142633430 is a deficient number, since it is larger than the sum of its proper divisors (115528474).

142633430 is a wasteful number, since it uses less digits than its factorization.

142633430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78991.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 142633430 is about 11942.9238463619. The cubic root of 142633430 is about 522.4849380974.

Adding to 142633430 its reverse (34336241), we get a palindrome (176969671).

The spelling of 142633430 in words is "one hundred forty-two million, six hundred thirty-three thousand, four hundred thirty".