143496420 has 48 divisors (see below), whose sum is σ = 404224128. Its totient is φ = 38033920.

The previous prime is 143496413. The next prime is 143496421. The reversal of 143496420 is 24694341.

It is not an unprimeable number, because it can be changed into a prime (143496421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2860 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (8421336).

Almost surely, 2^143496420 is an apocalyptic number.

143496420 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 143496420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202112064).

143496420 is an abundant number, since it is smaller than the sum of its proper divisors (260727708).

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

143496420 is a wasteful number, since it uses less digits than its factorization.

143496420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500 (or 14498 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 143496420 is about 11978.9991234660. Note that the first 3 decimals coincide. The cubic root of 143496420 is about 523.5365684826.

It can be divided in two parts, 143496 and 420, that added together give a triangular number (143916 = T₅₃₆).

The spelling of 143496420 in words is "one hundred forty-three million, four hundred ninety-six thousand, four hundred twenty".