146199143 has 8 divisors (see below), whose sum is σ = 148262400. Its totient is φ = 144145408.

The previous prime is 146199107. The next prime is 146199149. The reversal of 146199143 is 341991641.

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 146199143 - 2⁸ = 146198887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146199097 and 146199106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146199149) 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, 31943 + ... + 36231.

It is an arithmetic number, because the mean of its divisors is an integer number (18532800).

Almost surely, 2^146199143 is an apocalyptic number.

146199143 is a deficient number, since it is larger than the sum of its proper divisors (2063257).

146199143 is an equidigital number, since it uses as much as digits as its factorization.

146199143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761.

The product of its digits is 23328, while the sum is 38.

The square root of 146199143 is about 12091.2837614540. The cubic root of 146199143 is about 526.8030438280.

The spelling of 146199143 in words is "one hundred forty-six million, one hundred ninety-nine thousand, one hundred forty-three".