61545160 has 16 divisors (see below), whose sum is σ = 138476700. Its totient is φ = 24618048.

The previous prime is 61545139. The next prime is 61545167. The reversal of 61545160 is 6154516.

61545160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 60933636 + 611524 = 7806^2 + 782^2 .

It is not an unprimeable number, because it can be changed into a prime (61545167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769275 + ... + 769354.

Almost surely, 2^61545160 is an apocalyptic number.

It is an amenable number.

61545160 is an abundant number, since it is smaller than the sum of its proper divisors (76931540).

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

61545160 is a wasteful number, since it uses less digits than its factorization.

61545160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538640 (or 1538636 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 61545160 is about 7845.0723387360. The cubic root of 61545160 is about 394.8189310571.

Adding to 61545160 its reverse (6154516), we get a palindrome (67699676).

The spelling of 61545160 in words is "sixty-one million, five hundred forty-five thousand, one hundred sixty".