154220000 has 120 divisors (see below), whose sum is σ = 414486072. Its totient is φ = 56000000.

The previous prime is 154219993. The next prime is 154220047. The reversal of 154220000 is 22451.

154220000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 219650 + ... + 220350.

Almost surely, 2^154220000 is an apocalyptic number.

154220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207243036).

154220000 is an abundant number, since it is smaller than the sum of its proper divisors (260266072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154220000 is an equidigital number, since it uses as much as digits as its factorization.

154220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 154220000 is about 12418.5345351213. The cubic root of 154220000 is about 536.2659629062.

Adding to 154220000 its reverse (22451), we get a palindrome (154242451).

The spelling of 154220000 in words is "one hundred fifty-four million, two hundred twenty thousand".