149803207 has 2 divisors, whose sum is σ = 149803208. Its totient is φ = 149803206.

The previous prime is 149803193. The next prime is 149803237. The reversal of 149803207 is 702308941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149803207 - 2⁷ = 149803079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149803237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74901603 + 74901604.

It is an arithmetic number, because the mean of its divisors is an integer number (74901604).

Almost surely, 2^149803207 is an apocalyptic number.

149803207 is a deficient number, since it is larger than the sum of its proper divisors (1).

149803207 is an equidigital number, since it uses as much as digits as its factorization.

149803207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 149803207 is about 12239.4120365318. The cubic root of 149803207 is about 531.0968231601.

The spelling of 149803207 in words is "one hundred forty-nine million, eight hundred three thousand, two hundred seven".