157730353 has 8 divisors (see below), whose sum is σ = 172843776. Its totient is φ = 142746000.

The previous prime is 157730347. The next prime is 157730383. The reversal of 157730353 is 353037751.

It is a happy number.

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 157730353 - 2⁹ = 157729841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157730383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29698 + ... + 34603.

It is an arithmetic number, because the mean of its divisors is an integer number (21605472).

Almost surely, 2^157730353 is an apocalyptic number.

It is an amenable number.

157730353 is a deficient number, since it is larger than the sum of its proper divisors (15113423).

157730353 is a wasteful number, since it uses less digits than its factorization.

157730353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64535.

The product of its (nonzero) digits is 33075, while the sum is 34.

The square root of 157730353 is about 12559.0745280056. The cubic root of 157730353 is about 540.3043015098.

The spelling of 157730353 in words is "one hundred fifty-seven million, seven hundred thirty thousand, three hundred fifty-three".