154143020 has 24 divisors (see below), whose sum is σ = 323980944. Its totient is φ = 61603776.

The previous prime is 154143001. The next prime is 154143037. The reversal of 154143020 is 20341451.

It is a super-2 number, since 2×154143020² = 47520141229440800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 154142983 and 154143001.

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, 27062 + ... + 32258.

It is an arithmetic number, because the mean of its divisors is an integer number (13499206).

Almost surely, 2^154143020 is an apocalyptic number.

154143020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154143020 is an abundant number, since it is smaller than the sum of its proper divisors (169837924).

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

154143020 is a wasteful number, since it uses less digits than its factorization.

154143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689 (or 6687 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 154143020 is about 12415.4347487311. The cubic root of 154143020 is about 536.1767210776.

Adding to 154143020 its reverse (20341451), we get a palindrome (174484471).

The spelling of 154143020 in words is "one hundred fifty-four million, one hundred forty-three thousand, twenty".