60145231 has 4 divisors (see below), whose sum is σ = 60172912. Its totient is φ = 60117552.

The previous prime is 60145213. The next prime is 60145243. The reversal of 60145231 is 13254106.

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

It is a cyclic number.

It is not a de Polignac number, because 60145231 - 2¹⁵ = 60112463 is a prime.

It is a super-2 number, since 2×60145231² = 7234897624086722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60145271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10275 + ... + 15028.

It is an arithmetic number, because the mean of its divisors is an integer number (15043228).

Almost surely, 2^60145231 is an apocalyptic number.

60145231 is a deficient number, since it is larger than the sum of its proper divisors (27681).

60145231 is a wasteful number, since it uses less digits than its factorization.

60145231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27680.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 60145231 is about 7755.3356471529. The cubic root of 60145231 is about 391.8023763512.

Adding to 60145231 its reverse (13254106), we get a palindrome (73399337).

The spelling of 60145231 in words is "sixty million, one hundred forty-five thousand, two hundred thirty-one".