149752226 has 16 divisors (see below), whose sum is σ = 242499768. Its totient is φ = 68947200.

The previous prime is 149752223. The next prime is 149752231. The reversal of 149752226 is 622257941.

149752226 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 4 ways, for example, as 90231001 + 59521225 = 9499^2 + 7715^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149752226.

It is not an unprimeable number, because it can be changed into a prime (149752223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106 + ... + 17786.

Almost surely, 2^149752226 is an apocalyptic number.

149752226 is a deficient number, since it is larger than the sum of its proper divisors (92747542).

149752226 is a wasteful number, since it uses less digits than its factorization.

149752226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117.

The product of its digits is 60480, while the sum is 38.

The square root of 149752226 is about 12237.3292020767. The cubic root of 149752226 is about 531.0365687331.

The spelling of 149752226 in words is "one hundred forty-nine million, seven hundred fifty-two thousand, two hundred twenty-six".