143428355 has 8 divisors (see below), whose sum is σ = 196701792. Its totient is φ = 98350848.

The previous prime is 143428343. The next prime is 143428357. The reversal of 143428355 is 553824341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143428355 - 2¹⁴ = 143411971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 4097953 = 143428355 / (1 + 4 + 3 + 4 + 2 + 8 + 3 + 5 + 5).

It is not an unprimeable number, because it can be changed into a prime (143428357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048942 + ... + 2049011.

It is an arithmetic number, because the mean of its divisors is an integer number (24587724).

Almost surely, 2^143428355 is an apocalyptic number.

143428355 is a deficient number, since it is larger than the sum of its proper divisors (53273437).

143428355 is an equidigital number, since it uses as much as digits as its factorization.

143428355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097965.

The product of its digits is 57600, while the sum is 35.

The square root of 143428355 is about 11976.1577728418. The cubic root of 143428355 is about 523.4537786071.

The spelling of 143428355 in words is "one hundred forty-three million, four hundred twenty-eight thousand, three hundred fifty-five".