143412520 has 32 divisors (see below), whose sum is σ = 323452800. Its totient is φ = 57227328.

The previous prime is 143412509. The next prime is 143412583. The reversal of 143412520 is 25214341.

It is a junction number, because it is equal to n+sod(n) for n = 143412491 and 143412500.

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, 13477 + ... + 21643.

It is an arithmetic number, because the mean of its divisors is an integer number (10107900).

Almost surely, 2^143412520 is an apocalyptic number.

143412520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143412520 is an abundant number, since it is smaller than the sum of its proper divisors (180040280).

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

143412520 is a wasteful number, since it uses less digits than its factorization.

143412520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617 (or 8613 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 143412520 is about 11975.4966494087. The cubic root of 143412520 is about 523.4345141792.

Adding to 143412520 its reverse (25214341), we get a palindrome (168626861).

It can be divided in two parts, 14341 and 2520, that added together give a palindrome (16861).

The spelling of 143412520 in words is "one hundred forty-three million, four hundred twelve thousand, five hundred twenty".