154480220 has 24 divisors (see below), whose sum is σ = 326592000. Its totient is φ = 61376192.

The previous prime is 154480219. The next prime is 154480247. The reversal of 154480220 is 22084451.

It is a happy number.

154480220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 154480220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22940 + ... + 28899.

It is an arithmetic number, because the mean of its divisors is an integer number (13608000).

Almost surely, 2^154480220 is an apocalyptic number.

154480220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154480220 is an abundant number, since it is smaller than the sum of its proper divisors (172111780).

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

154480220 is a wasteful number, since it uses less digits than its factorization.

154480220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51997 (or 51995 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 154480220 is about 12429.0072008990. The cubic root of 154480220 is about 536.5674125993.

The spelling of 154480220 in words is "one hundred fifty-four million, four hundred eighty thousand, two hundred twenty".