154112020 has 12 divisors (see below), whose sum is σ = 323635284. Its totient is φ = 61644800.

The previous prime is 154112011. The next prime is 154112027. The reversal of 154112020 is 20211451.

It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 99440784 = 7394^2 + 9972^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154111985 and 154112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3852781 + ... + 3852820.

It is an arithmetic number, because the mean of its divisors is an integer number (26969607).

Almost surely, 2^154112020 is an apocalyptic number.

154112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154112020 is an abundant number, since it is smaller than the sum of its proper divisors (169523264).

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

154112020 is a wasteful number, since it uses less digits than its factorization.

154112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705610 (or 7705608 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 154112020 is about 12414.1862399434. The cubic root of 154112020 is about 536.1407748229.

Adding to 154112020 its reverse (20211451), we get a palindrome (174323471).

The spelling of 154112020 in words is "one hundred fifty-four million, one hundred twelve thousand, twenty".