142309910 has 8 divisors (see below), whose sum is σ = 256157856. Its totient is φ = 56923960.

The previous prime is 142309897. The next prime is 142309987. The reversal of 142309910 is 19903241.

It is a happy number.

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

It is a super-3 number, since 3×142309910³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7115486 + ... + 7115505.

It is an arithmetic number, because the mean of its divisors is an integer number (32019732).

Almost surely, 2^142309910 is an apocalyptic number.

142309910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142309910 is a deficient number, since it is larger than the sum of its proper divisors (113847946).

142309910 is a wasteful number, since it uses less digits than its factorization.

142309910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14230998.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 142309910 is about 11929.3717353430. The cubic root of 142309910 is about 522.0896070047.

The spelling of 142309910 in words is "one hundred forty-two million, three hundred nine thousand, nine hundred ten".