154202229 has 6 divisors (see below), whose sum is σ = 222736566. Its totient is φ = 102801480.

The previous prime is 154202221. The next prime is 154202261. The reversal of 154202229 is 922202451.

It is a happy number.

154202229 is a `hidden beast` number, since 15 + 420 + 2 + 229 = 666.

It can be written as a sum of positive squares in only one way, i.e., 127916100 + 26286129 = 11310^2 + 5127^2 .

It is not a de Polignac number, because 154202229 - 2³ = 154202221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154202221) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8566782 + ... + 8566799.

It is an arithmetic number, because the mean of its divisors is an integer number (37122761).

Almost surely, 2^154202229 is an apocalyptic number.

It is an amenable number.

154202229 is a deficient number, since it is larger than the sum of its proper divisors (68534337).

154202229 is a wasteful number, since it uses less digits than its factorization.

154202229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17133587 (or 17133584 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 154202229 is about 12417.8190114045. The cubic root of 154202229 is about 536.2453638734.

The spelling of 154202229 in words is "one hundred fifty-four million, two hundred two thousand, two hundred twenty-nine".