299145957 has 16 divisors (see below), whose sum is σ = 460717632. Its totient is φ = 170635520.

The previous prime is 299145907. The next prime is 299145971. The reversal of 299145957 is 759541992.

It is not a de Polignac number, because 299145957 - 2⁶ = 299145893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299145907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266058 + ... + 267179.

It is an arithmetic number, because the mean of its divisors is an integer number (28794852).

Almost surely, 2^299145957 is an apocalyptic number.

It is an amenable number.

299145957 is a deficient number, since it is larger than the sum of its proper divisors (161571675).

299145957 is a wasteful number, since it uses less digits than its factorization.

299145957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533268.

The product of its digits is 1020600, while the sum is 51.

The square root of 299145957 is about 17295.8364064881. The cubic root of 299145957 is about 668.7970968432.

The spelling of 299145957 in words is "two hundred ninety-nine million, one hundred forty-five thousand, nine hundred fifty-seven".