158730003 has 16 divisors (see below), whose sum is σ = 248988960. Its totient is φ = 99595008.

The previous prime is 158729999. The next prime is 158730029. The reversal of 158730003 is 300037851.

It is not a de Polignac number, because 158730003 - 2² = 158729999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (158730043) 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 15 ways as a sum of consecutive naturals, for example, 172450 + ... + 173367.

It is an arithmetic number, because the mean of its divisors is an integer number (15561810).

Almost surely, 2^158730003 is an apocalyptic number.

158730003 is a deficient number, since it is larger than the sum of its proper divisors (90258957).

158730003 is a wasteful number, since it uses less digits than its factorization.

158730003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345843 (or 345837 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 158730003 is about 12598.8095866237. The cubic root of 158730003 is about 541.4433301397.

Adding to 158730003 its reverse (300037851), we get a palindrome (458767854).

The spelling of 158730003 in words is "one hundred fifty-eight million, seven hundred thirty thousand, three".