154426220 has 48 divisors (see below), whose sum is σ = 351835680. Its totient is φ = 56595456.

The previous prime is 154426211. The next prime is 154426253. The reversal of 154426220 is 22624451.

154426220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 154426220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34004 + ... + 38276.

It is an arithmetic number, because the mean of its divisors is an integer number (7329910).

Almost surely, 2^154426220 is an apocalyptic number.

154426220 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 154426220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175917840).

154426220 is an abundant number, since it is smaller than the sum of its proper divisors (197409460).

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

154426220 is a wasteful number, since it uses less digits than its factorization.

154426220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 154426220 is about 12426.8346733993. The cubic root of 154426220 is about 536.5048846004.

The spelling of 154426220 in words is "one hundred fifty-four million, four hundred twenty-six thousand, two hundred twenty".