157003 has 8 divisors (see below), whose sum is σ = 195840. Its totient is φ = 122280.

The previous prime is 156979. The next prime is 157007. The reversal of 157003 is 300751.

157003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157003 - 2⁵ = 156971 is a prime.

It is a Duffinian number.

157003 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943 + ... + 1096.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2¹⁵⁷⁰⁰³ is an apocalyptic number.

157003 is a deficient number, since it is larger than the sum of its proper divisors (38837).

157003 is a wasteful number, since it uses less digits than its factorization.

157003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 157003 is about 396.2360407636. The cubic root of 157003 is about 53.9472507298.

Adding to 157003 its reverse (300751), we get a palindrome (457754).

The spelling of 157003 in words is "one hundred fifty-seven thousand, three".