299430145 has 16 divisors (see below), whose sum is σ = 415848960. Its totient is φ = 202722624.

The previous prime is 299430143. The next prime is 299430161. The reversal of 299430145 is 541034992.

It is a cyclic number.

It is not a de Polignac number, because 299430145 - 2¹ = 299430143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (299430143) 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, 51382 + ... + 56911.

It is an arithmetic number, because the mean of its divisors is an integer number (25990560).

Almost surely, 2^299430145 is an apocalyptic number.

It is an amenable number.

299430145 is a deficient number, since it is larger than the sum of its proper divisors (116418815).

299430145 is a wasteful number, since it uses less digits than its factorization.

299430145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108384.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 299430145 is about 17304.0499594748. The cubic root of 299430145 is about 669.0088150696.

The spelling of 299430145 in words is "two hundred ninety-nine million, four hundred thirty thousand, one hundred forty-five".