157429 has 2 divisors, whose sum is σ = 157430. Its totient is φ = 157428.

The previous prime is 157427. The next prime is 157433. The reversal of 157429 is 924751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 5329 = 390^2 + 73^2 .

It is an emirp because it is prime and its reverse (924751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157429 - 2¹ = 157427 is a prime.

Together with 157427, it forms a pair of twin primes.

157429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 157397 and 157406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157427) 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 as a sum of consecutive naturals, namely, 78714 + 78715.

It is an arithmetic number, because the mean of its divisors is an integer number (78715).

2¹⁵⁷⁴²⁹ is an apocalyptic number.

It is an amenable number.

157429 is a deficient number, since it is larger than the sum of its proper divisors (1).

157429 is an equidigital number, since it uses as much as digits as its factorization.

157429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 157429 is about 396.7732349844. The cubic root of 157429 is about 53.9959987890.

It can be divided in two parts, 15742 and 9, that added together give a palindrome (15751).

The spelling of 157429 in words is "one hundred fifty-seven thousand, four hundred twenty-nine".