149743943 has 2 divisors, whose sum is σ = 149743944. Its totient is φ = 149743942.

The previous prime is 149743933. The next prime is 149743987. The reversal of 149743943 is 349347941.

It is an a-pointer prime, because the next prime (149743987) can be obtained adding 149743943 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149743943 - 2⁸ = 149743687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149743894 and 149743903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149743933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74871971 + 74871972.

It is an arithmetic number, because the mean of its divisors is an integer number (74871972).

Almost surely, 2^149743943 is an apocalyptic number.

149743943 is a deficient number, since it is larger than the sum of its proper divisors (1).

149743943 is an equidigital number, since it uses as much as digits as its factorization.

149743943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 149743943 is about 12236.9907657071. The cubic root of 149743943 is about 531.0267777668.

The spelling of 149743943 in words is "one hundred forty-nine million, seven hundred forty-three thousand, nine hundred forty-three".