10143542500 has 120 divisors (see below), whose sum is σ = 27301410752. Its totient is φ = 3210192000.

The previous prime is 10143542459. The next prime is 10143542531. The reversal of 10143542500 is 524534101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 205207 + ... + 249793.

Almost surely, 2^10143542500 is an apocalyptic number.

10143542500 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 10143542500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13650705376).

10143542500 is an abundant number, since it is smaller than the sum of its proper divisors (17157868252).

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

10143542500 is a wasteful number, since it uses less digits than its factorization.

10143542500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44631 (or 44614 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 10143542500 in words is "ten billion, one hundred forty-three million, five hundred forty-two thousand, five hundred".