140447441 has 2 divisors, whose sum is σ = 140447442. Its totient is φ = 140447440.

The previous prime is 140447413. The next prime is 140447471. The reversal of 140447441 is 144744041.

140447441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139334416 + 1113025 = 11804^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 140447441 - 2²² = 136253137 is a prime.

It is not a weakly prime, because it can be changed into another prime (140447471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70223720 + 70223721.

It is an arithmetic number, because the mean of its divisors is an integer number (70223721).

Almost surely, 2^140447441 is an apocalyptic number.

It is an amenable number.

140447441 is a deficient number, since it is larger than the sum of its proper divisors (1).

140447441 is an equidigital number, since it uses as much as digits as its factorization.

140447441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 140447441 is about 11851.0523161448. The cubic root of 140447441 is about 519.8019968535.

The spelling of 140447441 in words is "one hundred forty million, four hundred forty-seven thousand, four hundred forty-one".