143115512100 has 144 divisors (see below), whose sum is σ = 452939551680. Its totient is φ = 34601356800.

The previous prime is 143115512083. The next prime is 143115512101. The reversal of 143115512100 is 1215511341.

It is not an unprimeable number, because it can be changed into a prime (143115512101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1172766 + ... + 1289034.

Almost surely, 2^143115512100 is an apocalyptic number.

143115512100 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 143115512100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226469775840).

143115512100 is an abundant number, since it is smaller than the sum of its proper divisors (309824039580).

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

143115512100 is a wasteful number, since it uses less digits than its factorization.

143115512100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116670 (or 116663 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 143115512100 in words is "one hundred forty-three billion, one hundred fifteen million, five hundred twelve thousand, one hundred".