307147045 has 8 divisors (see below), whose sum is σ = 370613880. Its totient is φ = 244359360.

The previous prime is 307147019. The next prime is 307147051. The reversal of 307147045 is 540741703.

It can be written as a sum of positive squares in 4 ways, for example, as 5013121 + 302133924 = 2239^2 + 17382^2 .

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

It is not a de Polignac number, because 307147045 - 2²¹ = 305049893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 307146998 and 307147016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168790 + ... + 170599.

It is an arithmetic number, because the mean of its divisors is an integer number (46326735).

Almost surely, 2^307147045 is an apocalyptic number.

It is an amenable number.

307147045 is a deficient number, since it is larger than the sum of its proper divisors (63466835).

307147045 is a wasteful number, since it uses less digits than its factorization.

307147045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339575.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 307147045 is about 17525.6111163063. The cubic root of 307147045 is about 674.7073592002.

Adding to 307147045 its reverse (540741703), we get a palindrome (847888748).

The spelling of 307147045 in words is "three hundred seven million, one hundred forty-seven thousand, forty-five".