149780226 has 16 divisors (see below), whose sum is σ = 305213184. Its totient is φ = 48984624.

The previous prime is 149780179. The next prime is 149780233. The reversal of 149780226 is 622087941.

149780226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149780226² = 44868232201222152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235186 + ... + 235821.

It is an arithmetic number, because the mean of its divisors is an integer number (19075824).

Almost surely, 2^149780226 is an apocalyptic number.

149780226 is an abundant number, since it is smaller than the sum of its proper divisors (155432958).

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

149780226 is a wasteful number, since it uses less digits than its factorization.

149780226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471065.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 149780226 is about 12238.4731890869. The cubic root of 149780226 is about 531.0696636164.

The spelling of 149780226 in words is "one hundred forty-nine million, seven hundred eighty thousand, two hundred twenty-six".