154642414143144 has 32 divisors (see below), whose sum is σ = 386656965339840. Its totient is φ = 51540680716800.

The previous prime is 154642414143103. The next prime is 154642414143157. The reversal of 154642414143144 is 441341414246451.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 154642414143093 and 154642414143102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424230537 + ... + 424594904.

It is an arithmetic number, because the mean of its divisors is an integer number (12083030166870).

Almost surely, 2^{154642414143144} is an apocalyptic number.

It is an amenable number.

154642414143144 is an abundant number, since it is smaller than the sum of its proper divisors (232014551196696).

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

154642414143144 is a wasteful number, since it uses less digits than its factorization.

154642414143144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848833041 (or 848833037 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 48.

Adding to 154642414143144 its reverse (441341414246451), we get a palindrome (595983828389595).

The spelling of 154642414143144 in words is "one hundred fifty-four trillion, six hundred forty-two billion, four hundred fourteen million, one hundred forty-three thousand, one hundred forty-four".