70575145 has 8 divisors (see below), whose sum is σ = 86756040. Its totient is φ = 55082880.

The previous prime is 70575137. The next prime is 70575157. The reversal of 70575145 is 54157507.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 70509609 = 256^2 + 8397^2 .

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

It is not a de Polignac number, because 70575145 - 2³ = 70575137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70575145.

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, 171930 + ... + 172339.

It is an arithmetic number, because the mean of its divisors is an integer number (10844505).

Almost surely, 2^70575145 is an apocalyptic number.

It is an amenable number.

70575145 is a deficient number, since it is larger than the sum of its proper divisors (16180895).

70575145 is a wasteful number, since it uses less digits than its factorization.

70575145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344315.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 70575145 is about 8400.9014397266. The cubic root of 70575145 is about 413.2541843910.

The spelling of 70575145 in words is "seventy million, five hundred seventy-five thousand, one hundred forty-five".