157424 has 10 divisors (see below), whose sum is σ = 305040. Its totient is φ = 78704.
The previous prime is 157411. The next prime is 157427. The reversal of 157424 is 424751.
157424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 157424.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157427) by changing a digit.
157424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4904 + ... + 4935.
It is an arithmetic number, because the mean of its divisors is an integer number (30504).
2157424 is an apocalyptic number.
It is an amenable number.
157424 is a deficient number, since it is larger than the sum of its proper divisors (147616).
157424 is an equidigital number, since it uses as much as digits as its factorization.
157424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9847 (or 9841 counting only the distinct ones).
The product of its digits is 1120, while the sum is 23.
The square root of 157424 is about 396.7669341062. The cubic root of 157424 is about 53.9954271391.
The spelling of 157424 in words is "one hundred fifty-seven thousand, four hundred twenty-four".
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