327145157 has 8 divisors (see below), whose sum is σ = 337246200. Its totient is φ = 317110464.

The previous prime is 327145141. The next prime is 327145163. The reversal of 327145157 is 751541723.

It can be written as a sum of positive squares in 4 ways, for example, as 48455521 + 278689636 = 6961^2 + 16694^2 .

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 327145157 - 2⁴ = 327145141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327145187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6482 + ... + 26387.

It is an arithmetic number, because the mean of its divisors is an integer number (42155775).

Almost surely, 2^327145157 is an apocalyptic number.

327145157 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

327145157 is a deficient number, since it is larger than the sum of its proper divisors (10101043).

327145157 is a wasteful number, since it uses less digits than its factorization.

327145157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33175.

The product of its digits is 29400, while the sum is 35.

The square root of 327145157 is about 18087.1544749305. The cubic root of 327145157 is about 689.0438039984.

The spelling of 327145157 in words is "three hundred twenty-seven million, one hundred forty-five thousand, one hundred fifty-seven".