76315145 has 8 divisors (see below), whose sum is σ = 93812040. Its totient is φ = 59562880.

The previous prime is 76315139. The next prime is 76315147. The reversal of 76315145 is 54151367.

It can be written as a sum of positive squares in 4 ways, for example, as 12187081 + 64128064 = 3491^2 + 8008^2 .

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

It is not a de Polignac number, because 76315145 - 2¹⁶ = 76249609 is a prime.

It is a super-3 number, since 3×76315145³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (76315147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185930 + ... + 186339.

It is an arithmetic number, because the mean of its divisors is an integer number (11726505).

Almost surely, 2^76315145 is an apocalyptic number.

It is an amenable number.

76315145 is a deficient number, since it is larger than the sum of its proper divisors (17496895).

76315145 is a wasteful number, since it uses less digits than its factorization.

76315145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372315.

The product of its digits is 12600, while the sum is 32.

The square root of 76315145 is about 8735.8539937433. The cubic root of 76315145 is about 424.1670328753.

The spelling of 76315145 in words is "seventy-six million, three hundred fifteen thousand, one hundred forty-five".