154200540316540 has 96 divisors (see below), whose sum is σ = 343401940869120. Its totient is φ = 57961838739456.

The previous prime is 154200540316397. The next prime is 154200540316541. The reversal of 154200540316540 is 45613045002451.

154200540316540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 154200540316493 and 154200540316502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154200540316541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1387850629 + ... + 1387961731.

It is an arithmetic number, because the mean of its divisors is an integer number (3577103550720).

Almost surely, 2^{154200540316540} is an apocalyptic number.

154200540316540 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 154200540316540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171700970434560).

154200540316540 is an abundant number, since it is smaller than the sum of its proper divisors (189201400552580).

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

154200540316540 is a wasteful number, since it uses less digits than its factorization.

154200540316540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117431 (or 117429 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 154200540316540 its reverse (45613045002451), we get a palindrome (199813585318991).

The spelling of 154200540316540 in words is "one hundred fifty-four trillion, two hundred billion, five hundred forty million, three hundred sixteen thousand, five hundred forty".