141320644 has 6 divisors (see below), whose sum is σ = 247311134. Its totient is φ = 70660320.

The previous prime is 141320623. The next prime is 141320687. The reversal of 141320644 is 446023141.

It can be written as a sum of positive squares in only one way, i.e., 75516100 + 65804544 = 8690^2 + 8112^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17665077 + ... + 17665084.

Almost surely, 2^141320644 is an apocalyptic number.

It is an amenable number.

141320644 is a deficient number, since it is larger than the sum of its proper divisors (105990490).

141320644 is a wasteful number, since it uses less digits than its factorization.

141320644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35330165 (or 35330163 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 141320644 is about 11887.8359679127. The cubic root of 141320644 is about 520.8770259040.

Adding to 141320644 its reverse (446023141), we get a palindrome (587343785).

The spelling of 141320644 in words is "one hundred forty-one million, three hundred twenty thousand, six hundred forty-four".