149271066 has 32 divisors (see below), whose sum is σ = 379102080. Its totient is φ = 42648768.

The previous prime is 149271043. The next prime is 149271151. The reversal of 149271066 is 660172941.

It is a super-2 number, since 2×149271066² = 44563702289552712, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149271066.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 197071 + ... + 197826.

It is an arithmetic number, because the mean of its divisors is an integer number (11846940).

Almost surely, 2^149271066 is an apocalyptic number.

149271066 is an abundant number, since it is smaller than the sum of its proper divisors (229831014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149271066 is a wasteful number, since it uses less digits than its factorization.

149271066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394915 (or 394909 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 149271066 is about 12217.6538664344. The cubic root of 149271066 is about 530.4672111343.

The spelling of 149271066 in words is "one hundred forty-nine million, two hundred seventy-one thousand, sixty-six".