149966803 has 16 divisors (see below), whose sum is σ = 175480000. Its totient is φ = 128108736.

The previous prime is 149966779. The next prime is 149966819. The reversal of 149966803 is 308669941.

It is not a de Polignac number, because 149966803 - 2⁵ = 149966771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149966603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139753 + ... + 140821.

It is an arithmetic number, because the mean of its divisors is an integer number (10967500).

Almost surely, 2^149966803 is an apocalyptic number.

149966803 is a deficient number, since it is larger than the sum of its proper divisors (25513197).

149966803 is an equidigital number, since it uses as much as digits as its factorization.

149966803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 149966803 is about 12246.0933770734. The cubic root of 149966803 is about 531.2900849477.

The spelling of 149966803 in words is "one hundred forty-nine million, nine hundred sixty-six thousand, eight hundred three".