994269143 has 24 divisors (see below), whose sum is σ = 1196827632. Its totient is φ = 822939264.

The previous prime is 994269131. The next prime is 994269179. The reversal of 994269143 is 341962499.

It is not a de Polignac number, because 994269143 - 2⁴ = 994269127 is a prime.

It is a super-2 number, since 2×994269143² = 1977142257443908898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994269043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246380 + ... + 250382.

It is an arithmetic number, because the mean of its divisors is an integer number (49867818).

Almost surely, 2^994269143 is an apocalyptic number.

994269143 is a deficient number, since it is larger than the sum of its proper divisors (202558489).

994269143 is a wasteful number, since it uses less digits than its factorization.

With its successor (994269144) it forms an eRAP, since the sums of their prime factors are consecutive (4191 and 4192).

994269143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191 (or 4184 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 994269143 is about 31532.0336007686. The cubic root of 994269143 is about 998.0860534791.

The spelling of 994269143 in words is "nine hundred ninety-four million, two hundred sixty-nine thousand, one hundred forty-three".