299142748 has 12 divisors (see below), whose sum is σ = 523622232. Its totient is φ = 149536400.

The previous prime is 299142737. The next prime is 299142749. The reversal of 299142748 is 847241992.

It is a junction number, because it is equal to n+sod(n) for n = 299142698 and 299142707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299142749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24786 + ... + 34822.

It is an arithmetic number, because the mean of its divisors is an integer number (43635186).

Almost surely, 2^299142748 is an apocalyptic number.

It is an amenable number.

299142748 is a deficient number, since it is larger than the sum of its proper divisors (224479484).

299142748 is a wasteful number, since it uses less digits than its factorization.

299142748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17492 (or 17490 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 299142748 is about 17295.7436382481. The cubic root of 299142748 is about 668.7947053935.

The spelling of 299142748 in words is "two hundred ninety-nine million, one hundred forty-two thousand, seven hundred forty-eight".