239310945 has 24 divisors (see below), whose sum is σ = 415688832. Its totient is φ = 127360800.

The previous prime is 239310941. The next prime is 239310949. The reversal of 239310945 is 549013932.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (239310941) and next prime (239310949).

It is not a de Polignac number, because 239310945 - 2² = 239310941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239310941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16680 + ... + 27510.

It is an arithmetic number, because the mean of its divisors is an integer number (17320368).

Almost surely, 2^239310945 is an apocalyptic number.

It is an amenable number.

239310945 is a deficient number, since it is larger than the sum of its proper divisors (176377887).

239310945 is a wasteful number, since it uses less digits than its factorization.

239310945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333 (or 11330 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 239310945 is about 15469.6782448763. The cubic root of 239310945 is about 620.8511938568.

The spelling of 239310945 in words is "two hundred thirty-nine million, three hundred ten thousand, nine hundred forty-five".