153643645540 has 192 divisors, whose sum is σ = 423905126400. Its totient is φ = 45318528000.

The previous prime is 153643645481. The next prime is 153643645541. The reversal of 153643645540 is 45546346351.

It is not an unprimeable number, because it can be changed into a prime (153643645541) 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 63 ways as a sum of consecutive naturals, for example, 33032215 + ... + 33036865.

It is an arithmetic number, because the mean of its divisors is an integer number (2207839200).

Almost surely, 2^153643645540 is an apocalyptic number.

153643645540 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 153643645540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211952563200).

153643645540 is an abundant number, since it is smaller than the sum of its proper divisors (270261480860).

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

153643645540 is a wasteful number, since it uses less digits than its factorization.

153643645540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826 (or 5824 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 153643645540 in words is "one hundred fifty-three billion, six hundred forty-three million, six hundred forty-five thousand, five hundred forty".