142831007 has 8 divisors (see below), whose sum is σ = 156310992. Its totient is φ = 129433600.

The previous prime is 142830971. The next prime is 142831019. The reversal of 142831007 is 700138241.

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

It is a cyclic number.

It is not a de Polignac number, because 142831007 - 2¹⁰ = 142829983 is a prime.

It is a super-3 number, since 3×142831007³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142831067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16994 + ... + 23967.

It is an arithmetic number, because the mean of its divisors is an integer number (19538874).

Almost surely, 2^142831007 is an apocalyptic number.

142831007 is a deficient number, since it is larger than the sum of its proper divisors (13479985).

142831007 is a wasteful number, since it uses less digits than its factorization.

142831007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41289.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 142831007 is about 11951.1927019859. The cubic root of 142831007 is about 522.7260769333.

Adding to 142831007 its reverse (700138241), we get a palindrome (842969248).

The spelling of 142831007 in words is "one hundred forty-two million, eight hundred thirty-one thousand, seven".