149854343 has 2 divisors, whose sum is σ = 149854344. Its totient is φ = 149854342.

The previous prime is 149854321. The next prime is 149854351. The reversal of 149854343 is 343458941.

149854343 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 a cyclic number.

It is not a de Polignac number, because 149854343 - 2⁸ = 149854087 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 149854343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149854543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74927171 + 74927172.

It is an arithmetic number, because the mean of its divisors is an integer number (74927172).

Almost surely, 2^149854343 is an apocalyptic number.

149854343 is a deficient number, since it is larger than the sum of its proper divisors (1).

149854343 is an equidigital number, since it uses as much as digits as its factorization.

149854343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 149854343 is about 12241.5008475268. The cubic root of 149854343 is about 531.1572470502.

The spelling of 149854343 in words is "one hundred forty-nine million, eight hundred fifty-four thousand, three hundred forty-three".