276322145 has 8 divisors (see below), whose sum is σ = 361730880. Its totient is φ = 200961520.

The previous prime is 276322141. The next prime is 276322157. The reversal of 276322145 is 541223672.

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

It is not a de Polignac number, because 276322145 - 2² = 276322141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276322141) by changing a digit.

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, 2511965 + ... + 2512074.

It is an arithmetic number, because the mean of its divisors is an integer number (45216360).

Almost surely, 2^276322145 is an apocalyptic number.

It is an amenable number.

276322145 is a deficient number, since it is larger than the sum of its proper divisors (85408735).

276322145 is a wasteful number, since it uses less digits than its factorization.

276322145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024055.

The product of its digits is 20160, while the sum is 32.

The square root of 276322145 is about 16622.9403235408. The cubic root of 276322145 is about 651.3362216269.

The spelling of 276322145 in words is "two hundred seventy-six million, three hundred twenty-two thousand, one hundred forty-five".