143504130 has 256 divisors, whose sum is σ = 466477056. Its totient is φ = 27371520.

The previous prime is 143504129. The next prime is 143504149. The reversal of 143504130 is 31405341.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 143504097 and 143504106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1965774 + ... + 1965846.

It is an arithmetic number, because the mean of its divisors is an integer number (1822176).

Almost surely, 2^143504130 is an apocalyptic number.

143504130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143504130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233238528).

143504130 is an abundant number, since it is smaller than the sum of its proper divisors (322972926).

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

143504130 is a wasteful number, since it uses less digits than its factorization.

143504130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 143504130 is about 11979.3209323400. The cubic root of 143504130 is about 523.5459447784.

Adding to 143504130 its reverse (31405341), we get a palindrome (174909471).

The spelling of 143504130 in words is "one hundred forty-three million, five hundred four thousand, one hundred thirty".