149644043 has 2 divisors, whose sum is σ = 149644044. Its totient is φ = 149644042.

The previous prime is 149643997. The next prime is 149644063. The reversal of 149644043 is 340446941.

149644043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (340446941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149644043 - 2¹⁰ = 149643019 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149643994 and 149644012.

It is not a weakly prime, because it can be changed into another prime (149644063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74822021 + 74822022.

It is an arithmetic number, because the mean of its divisors is an integer number (74822022).

Almost surely, 2^149644043 is an apocalyptic number.

149644043 is a deficient number, since it is larger than the sum of its proper divisors (1).

149644043 is an equidigital number, since it uses as much as digits as its factorization.

149644043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 149644043 is about 12232.9081987890. The cubic root of 149644043 is about 530.9086619674.

The spelling of 149644043 in words is "one hundred forty-nine million, six hundred forty-four thousand, forty-three".