143020400 has 30 divisors (see below), whose sum is σ = 343607472. Its totient is φ = 57208000.

The previous prime is 143020399. The next prime is 143020433. The reversal of 143020400 is 4020341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178376 + ... + 179175.

Almost surely, 2^143020400 is an apocalyptic number.

143020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143020400 is an abundant number, since it is smaller than the sum of its proper divisors (200587072).

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

143020400 is a wasteful number, since it uses less digits than its factorization.

143020400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357569 (or 357558 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 143020400 is about 11959.1136795333. The cubic root of 143020400 is about 522.9570186970.

Adding to 143020400 its reverse (4020341), we get a palindrome (147040741).

The spelling of 143020400 in words is "one hundred forty-three million, twenty thousand, four hundred".