154530242544 has 20 divisors (see below), whose sum is σ = 399203126696. Its totient is φ = 51510080832.

The previous prime is 154530242513. The next prime is 154530242549. The reversal of 154530242544 is 445242035451.

154530242544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154530242549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609689979 + ... + 1609690074.

Almost surely, 2^154530242544 is an apocalyptic number.

It is an amenable number.

154530242544 is an abundant number, since it is smaller than the sum of its proper divisors (244672884152).

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

154530242544 is a wasteful number, since it uses less digits than its factorization.

154530242544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219380064 (or 3219380058 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 154530242544 its reverse (445242035451), we get a palindrome (599772277995).

The spelling of 154530242544 in words is "one hundred fifty-four billion, five hundred thirty million, two hundred forty-two thousand, five hundred forty-four".