143133420 has 48 divisors (see below), whose sum is σ = 401315040. Its totient is φ = 38117376.

The previous prime is 143133409. The next prime is 143133433. The reversal of 143133420 is 24331341.

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, 68146 + ... + 70214.

It is an arithmetic number, because the mean of its divisors is an integer number (8360730).

Almost surely, 2^143133420 is an apocalyptic number.

143133420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143133420 is an abundant number, since it is smaller than the sum of its proper divisors (258181620).

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

143133420 is a wasteful number, since it uses less digits than its factorization.

143133420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234 (or 3232 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 143133420 is about 11963.8380129455. The cubic root of 143133420 is about 523.0947357411.

Adding to 143133420 its reverse (24331341), we get a palindrome (167464761).

The spelling of 143133420 in words is "one hundred forty-three million, one hundred thirty-three thousand, four hundred twenty".