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157349 is a prime number
BaseRepresentation
bin100110011010100101
321222211202
4212122211
520013344
63212245
71223513
oct463245
9258752
10157349
11a8245
1277085
135680a
14414b3
153194e
hex266a5

157349 has 2 divisors, whose sum is σ = 157350. Its totient is φ = 157348.

The previous prime is 157327. The next prime is 157351. The reversal of 157349 is 943751.

157349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136900 + 20449 = 370^2 + 143^2 .

It is an emirp because it is prime and its reverse (943751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157349 - 216 = 91813 is a prime.

Together with 157351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78674 + 78675.

It is an arithmetic number, because the mean of its divisors is an integer number (78675).

2157349 is an apocalyptic number.

It is an amenable number.

157349 is a deficient number, since it is larger than the sum of its proper divisors (1).

157349 is an equidigital number, since it uses as much as digits as its factorization.

157349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The square root of 157349 is about 396.6724089220. The cubic root of 157349 is about 53.9868509365.

It can be divided in two parts, 1573 and 49, that multiplied together give a palindrome (77077).

The spelling of 157349 in words is "one hundred fifty-seven thousand, three hundred forty-nine".