157471 has 8 divisors (see below), whose sum is σ = 170640. Its totient is φ = 144768.

The previous prime is 157457. The next prime is 157477. The reversal of 157471 is 174751.

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 157471 - 2¹¹ = 155423 is a prime.

It is a super-3 number, since 3×157471³ = 11714479885794333, which contains 333 as substring.

It is a Duffinian number.

157471 is a modest number, since divided by 471 gives 157 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (21330).

2¹⁵⁷⁴⁷¹ is an apocalyptic number.

157471 is a deficient number, since it is larger than the sum of its proper divisors (13169).

157471 is a wasteful number, since it uses less digits than its factorization.

157471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its digits is 980, while the sum is 25.

The square root of 157471 is about 396.8261584120. The cubic root of 157471 is about 54.0008001710. Note that the first 3 decimals are identical.

The spelling of 157471 in words is "one hundred fifty-seven thousand, four hundred seventy-one".