141443749 has 2 divisors, whose sum is σ = 141443750. Its totient is φ = 141443748.

The previous prime is 141443671. The next prime is 141443779. The reversal of 141443749 is 947344141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87890625 + 53553124 = 9375^2 + 7318^2 .

It is a cyclic number.

It is not a de Polignac number, because 141443749 - 2¹⁹ = 140919461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141443779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70721874 + 70721875.

It is an arithmetic number, because the mean of its divisors is an integer number (70721875).

Almost surely, 2^141443749 is an apocalyptic number.

It is an amenable number.

141443749 is a deficient number, since it is larger than the sum of its proper divisors (1).

141443749 is an equidigital number, since it uses as much as digits as its factorization.

141443749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 141443749 is about 11893.0126124544. The cubic root of 141443749 is about 521.0282280551.

The spelling of 141443749 in words is "one hundred forty-one million, four hundred forty-three thousand, seven hundred forty-nine".