63073145 has 8 divisors (see below), whose sum is σ = 80140104. Its totient is φ = 47490304.

The previous prime is 63073133. The next prime is 63073159. The reversal of 63073145 is 54137036.

It can be written as a sum of positive squares in 4 ways, for example, as 2808976 + 60264169 = 1676^2 + 7763^2 .

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 63073145 - 2¹⁴ = 63056761 is a prime.

It is a Duffinian number.

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, 370934 + ... + 371103.

It is an arithmetic number, because the mean of its divisors is an integer number (10017513).

Almost surely, 2^63073145 is an apocalyptic number.

It is an amenable number.

63073145 is a deficient number, since it is larger than the sum of its proper divisors (17066959).

63073145 is a wasteful number, since it uses less digits than its factorization.

63073145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742059.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 63073145 is about 7941.8602984439. The cubic root of 63073145 is about 398.0596549554.

The spelling of 63073145 in words is "sixty-three million, seventy-three thousand, one hundred forty-five".