149112206 has 4 divisors (see below), whose sum is σ = 223668312. Its totient is φ = 74556102.

The previous prime is 149112193. The next prime is 149112217. The reversal of 149112206 is 602211941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602211941 = 29 ⋅20765929.

It is a Curzon number.

It is a congruent 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, 37278050 + ... + 37278053.

It is an arithmetic number, because the mean of its divisors is an integer number (55917078).

Almost surely, 2^149112206 is an apocalyptic number.

149112206 is a deficient number, since it is larger than the sum of its proper divisors (74556106).

149112206 is an equidigital number, since it uses as much as digits as its factorization.

149112206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74556105.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 149112206 is about 12211.1508876109. The cubic root of 149112206 is about 530.2789631468.

The spelling of 149112206 in words is "one hundred forty-nine million, one hundred twelve thousand, two hundred six".