157297 has 8 divisors (see below), whose sum is σ = 187776. Its totient is φ = 128832.

The previous prime is 157291. The next prime is 157303. The reversal of 157297 is 792751.

157297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

157297 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (157291) and next prime (157303).

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 157297 - 2¹⁵ = 124529 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (157291) 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, 328 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (23472).

2¹⁵⁷²⁹⁷ is an apocalyptic number.

It is an amenable number.

157297 is a deficient number, since it is larger than the sum of its proper divisors (30479).

157297 is an equidigital number, since it uses as much as digits as its factorization.

157297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its digits is 4410, while the sum is 31.

The square root of 157297 is about 396.6068582362. The cubic root of 157297 is about 53.9809031696.

It can be divided in two parts, 157 and 297, that added together give a palindrome (454).

The spelling of 157297 in words is "one hundred fifty-seven thousand, two hundred ninety-seven".