15143218272 has 960 divisors, whose sum is σ = 60105830400. Its totient is φ = 3627970560.

The previous prime is 15143218243. The next prime is 15143218283. The reversal of 15143218272 is 27281234151.

15143218272 is a `hidden beast` number, since 151 + 432 + 1 + 8 + 2 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 138928554 + ... + 138928662.

It is an arithmetic number, because the mean of its divisors is an integer number (62610240).

Almost surely, 2^15143218272 is an apocalyptic number.

15143218272 is a gapful number since it is divisible by the number (12) 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 15143218272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30052915200).

15143218272 is an abundant number, since it is smaller than the sum of its proper divisors (44962612128).

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

15143218272 is a wasteful number, since it uses less digits than its factorization.

15143218272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 184 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The spelling of 15143218272 in words is "fifteen billion, one hundred forty-three million, two hundred eighteen thousand, two hundred seventy-two".