143041520 has 40 divisors (see below), whose sum is σ = 335134800. Its totient is φ = 56775680.

The previous prime is 143041517. The next prime is 143041567. The reversal of 143041520 is 25140341.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 143041492 and 143041501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3656 + ... + 17304.

It is an arithmetic number, because the mean of its divisors is an integer number (8378370).

Almost surely, 2^143041520 is an apocalyptic number.

143041520 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 143041520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167567400).

143041520 is an abundant number, since it is smaller than the sum of its proper divisors (192093280).

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

143041520 is a wasteful number, since it uses less digits than its factorization.

143041520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793 (or 13787 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 143041520 is about 11959.9966555179. The cubic root of 143041520 is about 522.9827593340.

Adding to 143041520 its reverse (25140341), we get a palindrome (168181861).

The spelling of 143041520 in words is "one hundred forty-three million, forty-one thousand, five hundred twenty".