143103420 has 72 divisors (see below), whose sum is σ = 445833024. Its totient is φ = 37127808.

The previous prime is 143103413. The next prime is 143103431. The reversal of 143103420 is 24301341.

143103420 is a `hidden beast` number, since 14 + 310 + 342 + 0 = 666.

143103420 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 143103393 and 143103402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4084 + ... + 17403.

Almost surely, 2^143103420 is an apocalyptic number.

143103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143103420 is an abundant number, since it is smaller than the sum of its proper divisors (302729604).

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

143103420 is a wasteful number, since it uses less digits than its factorization.

143103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539 (or 21534 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 143103420 is about 11962.5841689829. The cubic root of 143103420 is about 523.0581872337.

Adding to 143103420 its reverse (24301341), we get a palindrome (167404761).

The spelling of 143103420 in words is "one hundred forty-three million, one hundred three thousand, four hundred twenty".