75958145 has 8 divisors (see below), whose sum is σ = 91289256. Its totient is φ = 60673536.

The previous prime is 75958133. The next prime is 75958171. The reversal of 75958145 is 54185957.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 75829264 = 359^2 + 8708^2 .

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 75958145 - 2¹² = 75954049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75958096 and 75958105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7922 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (11411157).

Almost surely, 2^75958145 is an apocalyptic number.

It is an amenable number.

75958145 is a deficient number, since it is larger than the sum of its proper divisors (15331111).

75958145 is a wasteful number, since it uses less digits than its factorization.

75958145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23251.

The product of its digits is 252000, while the sum is 44.

The square root of 75958145 is about 8715.3970075952. The cubic root of 75958145 is about 423.5045852009.

The spelling of 75958145 in words is "seventy-five million, nine hundred fifty-eight thousand, one hundred forty-five".