63145 has 8 divisors (see below), whose sum is σ = 77256. Its totient is φ = 49536.

The previous prime is 63131. The next prime is 63149. The reversal of 63145 is 54136.

It can be written as a sum of positive squares in 4 ways, for example, as 19881 + 43264 = 141^2 + 208^2 .

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 63145 - 2⁵ = 63113 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63149) 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, 279 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (9657).

2⁶³¹⁴⁵ is an apocalyptic number.

It is an amenable number.

63145 is a deficient number, since it is larger than the sum of its proper divisors (14111).

63145 is a wasteful number, since it uses less digits than its factorization.

63145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its digits is 360, while the sum is 19.

The square root of 63145 is about 251.2866888635. The cubic root of 63145 is about 39.8210758470.

Subtracting from 63145 its reverse (54136), we obtain a palindrome (9009).

It can be divided in two parts, 631 and 45, that added together give a palindrome (676).

The spelling of 63145 in words is "sixty-three thousand, one hundred forty-five".