146838143 has 8 divisors (see below), whose sum is σ = 151095456. Its totient is φ = 142636000.

The previous prime is 146838127. The next prime is 146838149. The reversal of 146838143 is 341838641.

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 146838143 - 2⁴ = 146838127 is a prime.

It is a super-2 number, since 2×146838143² = 43122880479376898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146838097 and 146838106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146838149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8363 + ... + 19068.

It is an arithmetic number, because the mean of its divisors is an integer number (18886932).

Almost surely, 2^146838143 is an apocalyptic number.

146838143 is a deficient number, since it is larger than the sum of its proper divisors (4257313).

146838143 is a wasteful number, since it uses less digits than its factorization.

146838143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27585.

The product of its digits is 55296, while the sum is 38.

The square root of 146838143 is about 12117.6789444184. The cubic root of 146838143 is about 527.5694365892.

The spelling of 146838143 in words is "one hundred forty-six million, eight hundred thirty-eight thousand, one hundred forty-three".