157803241 has 4 divisors (see below), whose sum is σ = 157832272. Its totient is φ = 157774212.

The previous prime is 157803209. The next prime is 157803271. The reversal of 157803241 is 142308751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157803241 - 2⁵ = 157803209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157803271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651 + ... + 18136.

It is an arithmetic number, because the mean of its divisors is an integer number (39458068).

Almost surely, 2^157803241 is an apocalyptic number.

It is an amenable number.

157803241 is a deficient number, since it is larger than the sum of its proper divisors (29031).

157803241 is an equidigital number, since it uses as much as digits as its factorization.

157803241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29030.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 157803241 is about 12561.9759990218. The cubic root of 157803241 is about 540.3875144839.

The spelling of 157803241 in words is "one hundred fifty-seven million, eight hundred three thousand, two hundred forty-one".