157489 has 2 divisors, whose sum is σ = 157490. Its totient is φ = 157488.

The previous prime is 157483. The next prime is 157513. The reversal of 157489 is 984751.

It is a happy number.

157489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129600 + 27889 = 360^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 157489 - 2⁵ = 157457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78744 + 78745.

It is an arithmetic number, because the mean of its divisors is an integer number (78745).

2¹⁵⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

157489 is a deficient number, since it is larger than the sum of its proper divisors (1).

157489 is an equidigital number, since it uses as much as digits as its factorization.

157489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 157489 is about 396.8488377204. The cubic root of 157489 is about 54.0028576448.

It can be divided in two parts, 157 and 489, that added together give a palindrome (646).

The spelling of 157489 in words is "one hundred fifty-seven thousand, four hundred eighty-nine".