149267906 has 4 divisors (see below), whose sum is σ = 223901862. Its totient is φ = 74633952.

The previous prime is 149267873. The next prime is 149267917. The reversal of 149267906 is 609762941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105165025 + 44102881 = 10255^2 + 6641^2 .

It is a super-3 number, since 3×149267906³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 37316975 + ... + 37316978.

Almost surely, 2^149267906 is an apocalyptic number.

149267906 is a deficient number, since it is larger than the sum of its proper divisors (74633956).

149267906 is an equidigital number, since it uses as much as digits as its factorization.

149267906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74633955.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 149267906 is about 12217.5245446858. The cubic root of 149267906 is about 530.4634678587.

The spelling of 149267906 in words is "one hundred forty-nine million, two hundred sixty-seven thousand, nine hundred six".