15143400000 has 504 divisors, whose sum is σ = 55717683840. Its totient is φ = 3930240000.

The previous prime is 15143399983. The next prime is 15143400001. The reversal of 15143400000 is 434151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (15143400001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 84599911 + ... + 84600089.

It is an arithmetic number, because the mean of its divisors is an integer number (110550960).

Almost surely, 2^15143400000 is an apocalyptic number.

15143400000 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 15143400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27858841920).

15143400000 is an abundant number, since it is smaller than the sum of its proper divisors (40574283840).

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

15143400000 is an equidigital number, since it uses as much as digits as its factorization.

15143400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 15143400000 its reverse (434151), we get a palindrome (15143834151).

The spelling of 15143400000 in words is "fifteen billion, one hundred forty-three million, four hundred thousand".