154066226 has 4 divisors (see below), whose sum is σ = 231099342. Its totient is φ = 77033112.

The previous prime is 154066217. The next prime is 154066229. The reversal of 154066226 is 622660451.

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., 106110601 + 47955625 = 10301^2 + 6925^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154066192 and 154066201.

It is not an unprimeable number, because it can be changed into a prime (154066229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38516555 + ... + 38516558.

Almost surely, 2^154066226 is an apocalyptic number.

154066226 is a deficient number, since it is larger than the sum of its proper divisors (77033116).

154066226 is an equidigital number, since it uses as much as digits as its factorization.

154066226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77033115.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 154066226 is about 12412.3416807627. The cubic root of 154066226 is about 536.0876652669.

The spelling of 154066226 in words is "one hundred fifty-four million, sixty-six thousand, two hundred twenty-six".