142212902 has 8 divisors (see below), whose sum is σ = 229728576. Its totient is φ = 65636712.

The previous prime is 142212883. The next prime is 142212923. The reversal of 142212902 is 209212241.

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

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, 2734838 + ... + 2734889.

It is an arithmetic number, because the mean of its divisors is an integer number (28716072).

Almost surely, 2^142212902 is an apocalyptic number.

142212902 is a deficient number, since it is larger than the sum of its proper divisors (87515674).

142212902 is a wasteful number, since it uses less digits than its factorization.

142212902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469742.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 142212902 is about 11925.3051114007. The cubic root of 142212902 is about 521.9709495829.

The spelling of 142212902 in words is "one hundred forty-two million, two hundred twelve thousand, nine hundred two".