154089020 has 72 divisors (see below), whose sum is σ = 350923104. Its totient is φ = 56802304.

The previous prime is 154088981. The next prime is 154089043. The reversal of 154089020 is 20980451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306089 + ... + 306591.

It is an arithmetic number, because the mean of its divisors is an integer number (4873932).

Almost surely, 2^154089020 is an apocalyptic number.

154089020 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 154089020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175461552).

154089020 is an abundant number, since it is smaller than the sum of its proper divisors (196834084).

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

154089020 is a wasteful number, since it uses less digits than its factorization.

154089020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 154089020 is about 12413.2598458262. The cubic root of 154089020 is about 536.1141019060.

The spelling of 154089020 in words is "one hundred fifty-four million, eighty-nine thousand, twenty".