70485145 has 8 divisors (see below), whose sum is σ = 89557704. Its totient is φ = 53071104.

The previous prime is 70485137. The next prime is 70485161. The reversal of 70485145 is 54158407.

It can be written as a sum of positive squares in 4 ways, for example, as 14055001 + 56430144 = 3749^2 + 7512^2 .

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 70485145 - 2³ = 70485137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70485145.

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, 414534 + ... + 414703.

It is an arithmetic number, because the mean of its divisors is an integer number (11194713).

Almost surely, 2^70485145 is an apocalyptic number.

It is an amenable number.

70485145 is a deficient number, since it is larger than the sum of its proper divisors (19072559).

70485145 is a wasteful number, since it uses less digits than its factorization.

70485145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829259.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 70485145 is about 8395.5431628930. The cubic root of 70485145 is about 413.0784440615.

It can be divided in two parts, 704 and 85145, that added together give a square (85849 = 293²).

The spelling of 70485145 in words is "seventy million, four hundred eighty-five thousand, one hundred forty-five".