157748 has 12 divisors (see below), whose sum is σ = 279300. Its totient is φ = 77952.

The previous prime is 157747. The next prime is 157769. The reversal of 157748 is 847751.

It can be written as a sum of positive squares in 2 ways, for example, as 47524 + 110224 = 218^2 + 332^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 157748.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 626.

It is an arithmetic number, because the mean of its divisors is an integer number (23275).

2¹⁵⁷⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

157748 is a deficient number, since it is larger than the sum of its proper divisors (121552).

157748 is a wasteful number, since it uses less digits than its factorization.

157748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 157748 is about 397.1750243910. The cubic root of 157748 is about 54.0324450653.

The spelling of 157748 in words is "one hundred fifty-seven thousand, seven hundred forty-eight".