154621066 has 8 divisors (see below), whose sum is σ = 232140420. Its totient is φ = 77240928.

The previous prime is 154621063. The next prime is 154621097. The reversal of 154621066 is 660126451.

154621066 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 151659225 + 2961841 = 12315^2 + 1721^2 .

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

It is not an unprimeable number, because it can be changed into a prime (154621063) 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 3 ways as a sum of consecutive naturals, for example, 31981 + ... + 36496.

Almost surely, 2^154621066 is an apocalyptic number.

154621066 is a deficient number, since it is larger than the sum of its proper divisors (77519354).

154621066 is a wasteful number, since it uses less digits than its factorization.

154621066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69608.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 154621066 is about 12434.6719297294. The cubic root of 154621066 is about 536.7304332924.

The spelling of 154621066 in words is "one hundred fifty-four million, six hundred twenty-one thousand, sixty-six".