154420000 has 120 divisors (see below), whose sum is σ = 434560896. Its totient is φ = 52896000.

The previous prime is 154419997. The next prime is 154420001. The reversal of 154420000 is 24451.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (154420001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 139449 + ... + 140551.

Almost surely, 2^154420000 is an apocalyptic number.

154420000 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 154420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217280448).

154420000 is an abundant number, since it is smaller than the sum of its proper divisors (280140896).

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

154420000 is an equidigital number, since it uses as much as digits as its factorization.

154420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 154420000 is about 12426.5844060224. The cubic root of 154420000 is about 536.4976813652.

Adding to 154420000 its reverse (24451), we get a palindrome (154444451).

The spelling of 154420000 in words is "one hundred fifty-four million, four hundred twenty thousand".