61144196 has 12 divisors (see below), whose sum is σ = 107784348. Its totient is φ = 30348672.

The previous prime is 61144169. The next prime is 61144217. The reversal of 61144196 is 69144116.

It is a happy number.

61144196 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 25908100 + 35236096 = 5090^2 + 5936^2 .

It is a super-2 number, since 2×61144196² = 7477225408972832, which contains 22 as substring.

It is an unprimeable number.

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, 55241 + ... + 56336.

It is an arithmetic number, because the mean of its divisors is an integer number (8982029).

Almost surely, 2^61144196 is an apocalyptic number.

It is an amenable number.

61144196 is a deficient number, since it is larger than the sum of its proper divisors (46640152).

61144196 is a wasteful number, since it uses less digits than its factorization.

61144196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111718 (or 111716 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 61144196 is about 7819.4754299761. The cubic root of 61144196 is about 393.9596529927.

The spelling of 61144196 in words is "sixty-one million, one hundred forty-four thousand, one hundred ninety-six".