142032502 has 8 divisors (see below), whose sum is σ = 213255000. Its totient is φ = 70947504.

The previous prime is 142032497. The next prime is 142032511. The reversal of 142032502 is 205230241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142032502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31752 + ... + 35947.

It is an arithmetic number, because the mean of its divisors is an integer number (26656875).

Almost surely, 2^142032502 is an apocalyptic number.

142032502 is a deficient number, since it is larger than the sum of its proper divisors (71222498).

142032502 is a wasteful number, since it uses less digits than its factorization.

142032502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68750.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 142032502 is about 11917.7389634108. The cubic root of 142032502 is about 521.7501458860.

Adding to 142032502 its reverse (205230241), we get a palindrome (347262743).

The spelling of 142032502 in words is "one hundred forty-two million, thirty-two thousand, five hundred two".