157743 has 12 divisors (see below), whose sum is σ = 241488. Its totient is φ = 98880.

The previous prime is 157739. The next prime is 157747. The reversal of 157743 is 347751.

157743 is nontrivially palindromic in base 15.

157743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157739) and next prime (157747).

It is not a de Polignac number, because 157743 - 2² = 157739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363 + ... + 668.

It is an arithmetic number, because the mean of its divisors is an integer number (20124).

2¹⁵⁷⁷⁴³ is an apocalyptic number.

157743 is a deficient number, since it is larger than the sum of its proper divisors (83745).

157743 is a wasteful number, since it uses less digits than its factorization.

157743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1051 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 157743 is about 397.1687298869. The cubic root of 157743 is about 54.0318741863.

It can be divided in two parts, 157 and 743, that added together give a square (900 = 30²).

The spelling of 157743 in words is "one hundred fifty-seven thousand, seven hundred forty-three".