299143044 has 60 divisors (see below), whose sum is σ = 786493708. Its totient is φ = 99144000.

The previous prime is 299143043. The next prime is 299143051. The reversal of 299143044 is 440341992.

It can be written as a sum of positive squares in 2 ways, for example, as 1166400 + 297976644 = 1080^2 + 17262^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (299143043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56094 + ... + 61194.

Almost surely, 2^299143044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299143044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393246854).

299143044 is an abundant number, since it is smaller than the sum of its proper divisors (487350664).

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

299143044 is a wasteful number, since it uses less digits than its factorization.

299143044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 299143044 is about 17295.7521952646. The cubic root of 299143044 is about 668.7949259829.

The spelling of 299143044 in words is "two hundred ninety-nine million, one hundred forty-three thousand, forty-four".