42645060 has 36 divisors (see below), whose sum is σ = 129357228. Its totient is φ = 11371968.

The previous prime is 42645049. The next prime is 42645077. The reversal of 42645060 is 6054624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16451136 + 26193924 = 4056^2 + 5118^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×42645060² = 3637202284807200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118279 + ... + 118638.

Almost surely, 2^42645060 is an apocalyptic number.

It is an amenable number.

42645060 is an abundant number, since it is smaller than the sum of its proper divisors (86712168).

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

42645060 is a wasteful number, since it uses less digits than its factorization.

42645060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236932 (or 236927 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 42645060 is about 6530.3185220937. The cubic root of 42645060 is about 349.3731910540.

Adding to 42645060 its reverse (6054624), we get a palindrome (48699684).

The spelling of 42645060 in words is "forty-two million, six hundred forty-five thousand, sixty".