154068220 has 12 divisors (see below), whose sum is σ = 323543304. Its totient is φ = 61627280.

The previous prime is 154068217. The next prime is 154068227. The reversal of 154068220 is 22860451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154068227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3851686 + ... + 3851725.

It is an arithmetic number, because the mean of its divisors is an integer number (26961942).

Almost surely, 2^154068220 is an apocalyptic number.

154068220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154068220 is an abundant number, since it is smaller than the sum of its proper divisors (169475084).

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

154068220 is a wasteful number, since it uses less digits than its factorization.

154068220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703420 (or 7703418 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 154068220 is about 12412.4220037831. The cubic root of 154068220 is about 536.0899780260.

The spelling of 154068220 in words is "one hundred fifty-four million, sixty-eight thousand, two hundred twenty".