157481 has 8 divisors (see below), whose sum is σ = 169344. Its totient is φ = 146080.

The previous prime is 157477. The next prime is 157483. The reversal of 157481 is 184751.

157481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157481 - 2² = 157477 is a prime.

It is a super-2 number, since 2×157481² = 49600530722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 157481.

It is not an unprimeable number, because it can be changed into a prime (157483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860 + ... + 1026.

It is an arithmetic number, because the mean of its divisors is an integer number (21168).

2¹⁵⁷⁴⁸¹ is an apocalyptic number.

It is an amenable number.

157481 is a deficient number, since it is larger than the sum of its proper divisors (11863).

157481 is a wasteful number, since it uses less digits than its factorization.

157481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its digits is 1120, while the sum is 26.

The square root of 157481 is about 396.8387581878. The cubic root of 157481 is about 54.0019432314.

The spelling of 157481 in words is "one hundred fifty-seven thousand, four hundred eighty-one".