999950142 has 8 divisors (see below), whose sum is σ = 1999900296. Its totient is φ = 333316712.

The previous prime is 999950141. The next prime is 999950153. The reversal of 999950142 is 241059999.

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

999950142 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 999950091 and 999950100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999950141) by changing a digit.

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, 83329173 + ... + 83329184.

It is an arithmetic number, because the mean of its divisors is an integer number (249987537).

Almost surely, 2^999950142 is an apocalyptic number.

999950142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999950142 is a wasteful number, since it uses less digits than its factorization.

999950142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166658362.

The product of its (nonzero) digits is 262440, while the sum is 48.

The square root of 999950142 is about 31621.9882676596. The cubic root of 999950142 is about 999.9833803905.

The spelling of 999950142 in words is "nine hundred ninety-nine million, nine hundred fifty thousand, one hundred forty-two".