154431143004 has 48 divisors (see below), whose sum is σ = 372034768896. Its totient is φ = 49826044800.

The previous prime is 154431142981. The next prime is 154431143021. The reversal of 154431143004 is 400341134451.

154431143004 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173282 + ... + 1298249.

It is an arithmetic number, because the mean of its divisors is an integer number (7750724352).

Almost surely, 2^154431143004 is an apocalyptic number.

It is an amenable number.

154431143004 is an abundant number, since it is smaller than the sum of its proper divisors (217603625892).

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

154431143004 is a wasteful number, since it uses less digits than its factorization.

154431143004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471706 (or 2471704 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 154431143004 its reverse (400341134451), we get a palindrome (554772277455).

The spelling of 154431143004 in words is "one hundred fifty-four billion, four hundred thirty-one million, one hundred forty-three thousand, four".