154005020 has 48 divisors (see below), whose sum is σ = 356807808. Its totient is φ = 55472640.

The previous prime is 154005017. The next prime is 154005029. The reversal of 154005020 is 20500451.

It is a self number, because there is not a number n which added to its sum of digits gives 154005020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154005029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3437 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (7433496).

Almost surely, 2^154005020 is an apocalyptic number.

154005020 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 154005020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178403904).

154005020 is an abundant number, since it is smaller than the sum of its proper divisors (202802788).

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

154005020 is a wasteful number, since it uses less digits than its factorization.

154005020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14510 (or 14508 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 154005020 is about 12409.8759059066. The cubic root of 154005020 is about 536.0166652203.

Adding to 154005020 its reverse (20500451), we get a palindrome (174505471).

The spelling of 154005020 in words is "one hundred fifty-four million, five thousand, twenty".