154220330 has 16 divisors (see below), whose sum is σ = 302832864. Its totient is φ = 56080080.

The previous prime is 154220327. The next prime is 154220351. The reversal of 154220330 is 33022451.

It is a happy number.

154220330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 700892 + ... + 701111.

It is an arithmetic number, because the mean of its divisors is an integer number (18927054).

Almost surely, 2^154220330 is an apocalyptic number.

154220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154220330 is a deficient number, since it is larger than the sum of its proper divisors (148612534).

154220330 is a wasteful number, since it uses less digits than its factorization.

154220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402021.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 154220330 is about 12418.5478217060. The cubic root of 154220330 is about 536.2663454066.

Adding to 154220330 its reverse (33022451), we get a palindrome (187242781).

The spelling of 154220330 in words is "one hundred fifty-four million, two hundred twenty thousand, three hundred thirty".