61445052 has 36 divisors (see below), whose sum is σ = 162074640. Its totient is φ = 19590912.

The previous prime is 61445047. The next prime is 61445063. The reversal of 61445052 is 25054416.

61445052 is a `hidden beast` number, since 614 + 45 + 0 + 5 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36277 + ... + 37932.

Almost surely, 2^61445052 is an apocalyptic number.

It is an amenable number.

61445052 is an abundant number, since it is smaller than the sum of its proper divisors (100629588).

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

61445052 is a wasteful number, since it uses less digits than its factorization.

61445052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74242 (or 74237 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 61445052 is about 7838.6894312761. The cubic root of 61445052 is about 394.6047469640.

Adding to 61445052 its reverse (25054416), we get a palindrome (86499468).

The spelling of 61445052 in words is "sixty-one million, four hundred forty-five thousand, fifty-two".