149473339 has 2 divisors, whose sum is σ = 149473340. Its totient is φ = 149473338.

The previous prime is 149473327. The next prime is 149473369. The reversal of 149473339 is 933374941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149473339 - 2¹⁹ = 148949051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149473295 and 149473304.

It is not a weakly prime, because it can be changed into another prime (149473309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74736669 + 74736670.

It is an arithmetic number, because the mean of its divisors is an integer number (74736670).

Almost surely, 2^149473339 is an apocalyptic number.

149473339 is a deficient number, since it is larger than the sum of its proper divisors (1).

149473339 is an equidigital number, since it uses as much as digits as its factorization.

149473339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 149473339 is about 12225.9289626596. The cubic root of 149473339 is about 530.7067100260.

The spelling of 149473339 in words is "one hundred forty-nine million, four hundred seventy-three thousand, three hundred thirty-nine".