145743143 has 8 divisors (see below), whose sum is σ = 179376288. Its totient is φ = 115313184.

The previous prime is 145743139. The next prime is 145743149. The reversal of 145743143 is 341347541.

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

It is not a de Polignac number, because 145743143 - 2² = 145743139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145743149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800696 + ... + 800877.

It is an arithmetic number, because the mean of its divisors is an integer number (22422036).

Almost surely, 2^145743143 is an apocalyptic number.

145743143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145743143 is a deficient number, since it is larger than the sum of its proper divisors (33633145).

145743143 is a wasteful number, since it uses less digits than its factorization.

145743143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601593.

The product of its digits is 20160, while the sum is 32.

The square root of 145743143 is about 12072.4124763860. The cubic root of 145743143 is about 526.2547679845.

The spelling of 145743143 in words is "one hundred forty-five million, seven hundred forty-three thousand, one hundred forty-three".