152730307 has 4 divisors (see below), whose sum is σ = 155979936. Its totient is φ = 149480680.

The previous prime is 152730299. The next prime is 152730313. The reversal of 152730307 is 703037251.

152730307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 152730307 - 2³ = 152730299 is a prime.

It is a super-3 number, since 3×152730307³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152730317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624744 + ... + 1624837.

It is an arithmetic number, because the mean of its divisors is an integer number (38994984).

Almost surely, 2^152730307 is an apocalyptic number.

152730307 is a deficient number, since it is larger than the sum of its proper divisors (3249629).

152730307 is an equidigital number, since it uses as much as digits as its factorization.

152730307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249628.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 152730307 is about 12358.4103751251. The cubic root of 152730307 is about 534.5336804820.

Adding to 152730307 its reverse (703037251), we get a palindrome (855767558).

The spelling of 152730307 in words is "one hundred fifty-two million, seven hundred thirty thousand, three hundred seven".