990010143 has 12 divisors (see below), whose sum is σ = 1505278840. Its totient is φ = 625269456.

The previous prime is 990010123. The next prime is 990010187. The reversal of 990010143 is 341010099.

It is not a de Polignac number, because 990010143 - 2¹⁷ = 989879071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990010123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2894596 + ... + 2894937.

Almost surely, 2^990010143 is an apocalyptic number.

990010143 is a deficient number, since it is larger than the sum of its proper divisors (515268697).

990010143 is a wasteful number, since it uses less digits than its factorization.

990010143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789558 (or 5789555 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 990010143 is about 31464.4266275424. The cubic root of 990010143 is about 996.6588971305.

The spelling of 990010143 in words is "nine hundred ninety million, ten thousand, one hundred forty-three".