307027145 has 8 divisors (see below), whose sum is σ = 375384456. Its totient is φ = 240987136.

The previous prime is 307027141. The next prime is 307027151. The reversal of 307027145 is 541720703.

It can be written as a sum of positive squares in 4 ways, for example, as 139169209 + 167857936 = 11797^2 + 12956^2 .

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 307027145 - 2² = 307027141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307027141) 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, 579032 + ... + 579561.

It is an arithmetic number, because the mean of its divisors is an integer number (46923057).

Almost surely, 2^307027145 is an apocalyptic number.

It is an amenable number.

307027145 is a deficient number, since it is larger than the sum of its proper divisors (68357311).

307027145 is a wasteful number, since it uses less digits than its factorization.

307027145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158651.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 307027145 is about 17522.1900743029. The cubic root of 307027145 is about 674.6195533295.

Adding to 307027145 its reverse (541720703), we get a palindrome (848747848).

The spelling of 307027145 in words is "three hundred seven million, twenty-seven thousand, one hundred forty-five".