7932145 has 8 divisors (see below), whose sum is σ = 10250856. Its totient is φ = 5857536.

The previous prime is 7932103. The next prime is 7932151. The reversal of 7932145 is 5412397.

7932145 = 1991² + 1992².

It can be written as a sum of positive squares in 4 ways, for example, as 495616 + 7436529 = 704^2 + 2727^2 .

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 7932145 - 2⁹ = 7931633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 60952 + ... + 61081.

It is an arithmetic number, because the mean of its divisors is an integer number (1281357).

Almost surely, 2^7932145 is an apocalyptic number.

7932145 is the 1992-nd centered square number.

It is an amenable number.

7932145 is a deficient number, since it is larger than the sum of its proper divisors (2318711).

7932145 is a wasteful number, since it uses less digits than its factorization.

7932145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122051.

The product of its digits is 7560, while the sum is 31.

The square root of 7932145 is about 2816.4063982316. The cubic root of 7932145 is about 199.4329353748.

The spelling of 7932145 in words is "seven million, nine hundred thirty-two thousand, one hundred forty-five".