63145303 has 8 divisors (see below), whose sum is σ = 71582000. Its totient is φ = 55219968.

The previous prime is 63145297. The next prime is 63145307. The reversal of 63145303 is 30354136.

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 63145303 - 2²¹ = 61048151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63145307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127578 + ... + 128071.

It is an arithmetic number, because the mean of its divisors is an integer number (8947750).

Almost surely, 2^63145303 is an apocalyptic number.

63145303 is a deficient number, since it is larger than the sum of its proper divisors (8436697).

63145303 is a wasteful number, since it uses less digits than its factorization.

63145303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255681.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 63145303 is about 7946.4018901639. The cubic root of 63145303 is about 398.2113954047.

Adding to 63145303 its reverse (30354136), we get a palindrome (93499439).

The spelling of 63145303 in words is "sixty-three million, one hundred forty-five thousand, three hundred three".