149751146 has 8 divisors (see below), whose sum is σ = 224717220. Its totient is φ = 74845408.

The previous prime is 149751139. The next prime is 149751169. The reversal of 149751146 is 641157941.

It is a happy number.

149751146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135606025 + 14145121 = 11645^2 + 3761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 8261 + ... + 19176.

Almost surely, 2^149751146 is an apocalyptic number.

149751146 is a deficient number, since it is larger than the sum of its proper divisors (74966074).

149751146 is a wasteful number, since it uses less digits than its factorization.

149751146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30168.

The product of its digits is 30240, while the sum is 38.

The square root of 149751146 is about 12237.2850747214. The cubic root of 149751146 is about 531.0352921336.

The spelling of 149751146 in words is "one hundred forty-nine million, seven hundred fifty-one thousand, one hundred forty-six".