307423245 has 8 divisors (see below), whose sum is σ = 491877216. Its totient is φ = 163959056.

The previous prime is 307423241. The next prime is 307423253. The reversal of 307423245 is 542324703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 307423245 - 2² = 307423241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307423241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10247427 + ... + 10247456.

It is an arithmetic number, because the mean of its divisors is an integer number (61484652).

Almost surely, 2^307423245 is an apocalyptic number.

It is an amenable number.

307423245 is a deficient number, since it is larger than the sum of its proper divisors (184453971).

307423245 is a wasteful number, since it uses less digits than its factorization.

307423245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20494891.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 307423245 is about 17533.4892420191. The cubic root of 307423245 is about 674.9095406898.

Adding to 307423245 its reverse (542324703), we get a palindrome (849747948).

The spelling of 307423245 in words is "three hundred seven million, four hundred twenty-three thousand, two hundred forty-five".