60145133 has 4 divisors (see below), whose sum is σ = 63683100. Its totient is φ = 56607168.

The previous prime is 60145123. The next prime is 60145187. The reversal of 60145133 is 33154106.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36457444 + 23687689 = 6038^2 + 4867^2 .

It is a cyclic number.

It is not a de Polignac number, because 60145133 - 2¹⁶ = 60079597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60145099 and 60145108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60145123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768958 + ... + 1768991.

It is an arithmetic number, because the mean of its divisors is an integer number (15920775).

Almost surely, 2^60145133 is an apocalyptic number.

It is an amenable number.

60145133 is a deficient number, since it is larger than the sum of its proper divisors (3537967).

60145133 is a wasteful number, since it uses less digits than its factorization.

60145133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537966.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 60145133 is about 7755.3293289196. The cubic root of 60145133 is about 391.8021635516.

Adding to 60145133 its reverse (33154106), we get a palindrome (93299239).

The spelling of 60145133 in words is "sixty million, one hundred forty-five thousand, one hundred thirty-three".