149984243 has 2 divisors, whose sum is σ = 149984244. Its totient is φ = 149984242.

The previous prime is 149984227. The next prime is 149984249. The reversal of 149984243 is 342489941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149984243 - 2⁴ = 149984227 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149984194 and 149984203.

It is not a weakly prime, because it can be changed into another prime (149984249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74992121 + 74992122.

It is an arithmetic number, because the mean of its divisors is an integer number (74992122).

Almost surely, 2^149984243 is an apocalyptic number.

149984243 is a deficient number, since it is larger than the sum of its proper divisors (1).

149984243 is an equidigital number, since it uses as much as digits as its factorization.

149984243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 149984243 is about 12246.8054201902. The cubic root of 149984243 is about 531.3106791497.

The spelling of 149984243 in words is "one hundred forty-nine million, nine hundred eighty-four thousand, two hundred forty-three".