154442241420 has 48 divisors (see below), whose sum is σ = 432592151040. Its totient is φ = 41169942976.

The previous prime is 154442241413. The next prime is 154442241463. The reversal of 154442241420 is 24142244451.

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, 287412 + ... + 625691.

It is an arithmetic number, because the mean of its divisors is an integer number (9012336480).

Almost surely, 2^154442241420 is an apocalyptic number.

154442241420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154442241420 is an abundant number, since it is smaller than the sum of its proper divisors (278149909620).

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

154442241420 is a wasteful number, since it uses less digits than its factorization.

154442241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915934 (or 915932 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 154442241420 its reverse (24142244451), we get a palindrome (178584485871).

The spelling of 154442241420 in words is "one hundred fifty-four billion, four hundred forty-two million, two hundred forty-one thousand, four hundred twenty".