145743 has 16 divisors (see below), whose sum is σ = 217056. Its totient is φ = 86400.

The previous prime is 145723. The next prime is 145753. The reversal of 145743 is 347541.

It is not a de Polignac number, because 145743 - 2⁶ = 145679 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1393 + ... + 1493.

It is an arithmetic number, because the mean of its divisors is an integer number (13566).

2¹⁴⁵⁷⁴³ is an apocalyptic number.

145743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145743 is a deficient number, since it is larger than the sum of its proper divisors (71313).

145743 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 145743 = (434517)₈.

145743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154.

The product of its digits is 1680, while the sum is 24.

The square root of 145743 is about 381.7630154952. The cubic root of 145743 is about 52.6254595868.

It can be divided in two parts, 145 and 743, that added together give a palindrome (888).

The spelling of 145743 in words is "one hundred forty-five thousand, seven hundred forty-three".