60509142 has 48 divisors (see below), whose sum is σ = 134194320. Its totient is φ = 19700736.

The previous prime is 60509089. The next prime is 60509143. The reversal of 60509142 is 24190506.

It is a super-2 number, since 2×60509142² = 7322712531152328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60509143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171238 + ... + 171590.

It is an arithmetic number, because the mean of its divisors is an integer number (2795715).

Almost surely, 2^60509142 is an apocalyptic number.

60509142 is an abundant number, since it is smaller than the sum of its proper divisors (73685178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60509142 is a wasteful number, since it uses less digits than its factorization.

60509142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 60509142 is about 7778.7622408710. The cubic root of 60509142 is about 392.5909930082.

Adding to 60509142 its reverse (24190506), we get a palindrome (84699648).

The spelling of 60509142 in words is "sixty million, five hundred nine thousand, one hundred forty-two".