299957144 has 32 divisors (see below), whose sum is σ = 569430000. Its totient is φ = 148119552.

The previous prime is 299957131. The next prime is 299957153. The reversal of 299957144 is 441759992.

It is a junction number, because it is equal to n+sod(n) for n = 299957092 and 299957101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405527 + ... + 406265.

Almost surely, 2^299957144 is an apocalyptic number.

It is an amenable number.

299957144 is a deficient number, since it is larger than the sum of its proper divisors (269472856).

299957144 is a wasteful number, since it uses less digits than its factorization.

299957144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1303 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 299957144 is about 17319.2708853462. The cubic root of 299957144 is about 669.4010716547.

The spelling of 299957144 in words is "two hundred ninety-nine million, nine hundred fifty-seven thousand, one hundred forty-four".