143402193 has 24 divisors (see below), whose sum is σ = 226343520. Its totient is φ = 86765760.

The previous prime is 143402183. The next prime is 143402197. The reversal of 143402193 is 391204341.

It is not a de Polignac number, because 143402193 - 2¹⁰ = 143401169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143402197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111130 + ... + 112412.

It is an arithmetic number, because the mean of its divisors is an integer number (9430980).

Almost surely, 2^143402193 is an apocalyptic number.

It is an amenable number.

143402193 is a deficient number, since it is larger than the sum of its proper divisors (82941327).

143402193 is a wasteful number, since it uses less digits than its factorization.

143402193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 143402193 is about 11975.0654695496. The cubic root of 143402193 is about 523.4219498694.

The spelling of 143402193 in words is "one hundred forty-three million, four hundred two thousand, one hundred ninety-three".