154553066 has 4 divisors (see below), whose sum is σ = 231829602. Its totient is φ = 77276532.

The previous prime is 154553057. The next prime is 154553083. The reversal of 154553066 is 660355451.

154553066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 148328041 + 6225025 = 12179^2 + 2495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38638265 + ... + 38638268.

Almost surely, 2^154553066 is an apocalyptic number.

154553066 is a deficient number, since it is larger than the sum of its proper divisors (77276536).

154553066 is an equidigital number, since it uses as much as digits as its factorization.

154553066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77276535.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 154553066 is about 12431.9373389669. The cubic root of 154553066 is about 536.6517397869.

The spelling of 154553066 in words is "one hundred fifty-four million, five hundred fifty-three thousand, sixty-six".