143400030 has 48 divisors (see below), whose sum is σ = 363254544. Its totient is φ = 36224640.

The previous prime is 143399957. The next prime is 143400053. The reversal of 143400030 is 30004341.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 143399982 and 143400009.

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, 4210 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (7567803).

Almost surely, 2^143400030 is an apocalyptic number.

143400030 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 143400030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181627272).

143400030 is an abundant number, since it is smaller than the sum of its proper divisors (219854514).

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

143400030 is a wasteful number, since it uses less digits than its factorization.

143400030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13289 (or 13270 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 143400030 is about 11974.9751565504. The cubic root of 143400030 is about 523.4193181863.

Adding to 143400030 its reverse (30004341), we get a palindrome (173404371).

The spelling of 143400030 in words is "one hundred forty-three million, four hundred thousand, thirty".