143326540 has 48 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 48514752.

The previous prime is 143326537. The next prime is 143326559. The reversal of 143326540 is 45623341.

143326540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 143326499 and 143326508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4581 + ... + 17539.

It is an arithmetic number, because the mean of its divisors is an integer number (7257600).

Almost surely, 2^143326540 is an apocalyptic number.

143326540 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 143326540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174182400).

143326540 is an abundant number, since it is smaller than the sum of its proper divisors (205038260).

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

143326540 is a wasteful number, since it uses less digits than its factorization.

143326540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13054 (or 13052 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 143326540 is about 11971.9062809563. The cubic root of 143326540 is about 523.3298885011.

Adding to 143326540 its reverse (45623341), we get a palindrome (188949881).

The spelling of 143326540 in words is "one hundred forty-three million, three hundred twenty-six thousand, five hundred forty".