61045136 has 10 divisors (see below), whose sum is σ = 118274982. Its totient is φ = 30522560.

The previous prime is 61045129. The next prime is 61045139. The reversal of 61045136 is 63154016.

61045136 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 only one way, i.e., 43033600 + 18011536 = 6560^2 + 4244^2 .

It is not an unprimeable number, because it can be changed into a prime (61045139) 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 as a sum of consecutive naturals, namely, 1907645 + ... + 1907676.

Almost surely, 2^61045136 is an apocalyptic number.

It is an amenable number.

61045136 is a deficient number, since it is larger than the sum of its proper divisors (57229846).

61045136 is a wasteful number, since it uses less digits than its factorization.

61045136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815329 (or 3815323 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 61045136 is about 7813.1386778938. The cubic root of 61045136 is about 393.7467860324.

The spelling of 61045136 in words is "sixty-one million, forty-five thousand, one hundred thirty-six".