154020426 has 48 divisors (see below), whose sum is σ = 360593856. Its totient is φ = 43728384.

The previous prime is 154020407. The next prime is 154020467. The reversal of 154020426 is 624020451.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154020396 and 154020405.

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, 47530 + ... + 50666.

It is an arithmetic number, because the mean of its divisors is an integer number (7512372).

Almost surely, 2^154020426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154020426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180296928).

154020426 is an abundant number, since it is smaller than the sum of its proper divisors (206573430).

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

154020426 is a wasteful number, since it uses less digits than its factorization.

154020426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 154020426 is about 12410.4966056963. The cubic root of 154020426 is about 536.0345382251.

Adding to 154020426 its reverse (624020451), we get a palindrome (778040877).

The spelling of 154020426 in words is "one hundred fifty-four million, twenty thousand, four hundred twenty-six".