61433144 has 16 divisors (see below), whose sum is σ = 115619400. Its totient is φ = 30601312.

The previous prime is 61433123. The next prime is 61433153. The reversal of 61433144 is 44133416.

61433144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 12122 + ... + 16425.

Almost surely, 2^61433144 is an apocalyptic number.

It is an amenable number.

61433144 is a deficient number, since it is larger than the sum of its proper divisors (54186256).

61433144 is a wasteful number, since it uses less digits than its factorization.

61433144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28822 (or 28818 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 61433144 is about 7837.9298287239. The cubic root of 61433144 is about 394.5792539598.

The spelling of 61433144 in words is "sixty-one million, four hundred thirty-three thousand, one hundred forty-four".