147243003 has 4 divisors (see below), whose sum is σ = 196324008. Its totient is φ = 98162000.

The previous prime is 147242999. The next prime is 147243029. The reversal of 147243003 is 300342741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300342741 = 3 ⋅100114247.

It is a cyclic number.

It is not a de Polignac number, because 147243003 - 2² = 147242999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147243053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24540498 + ... + 24540503.

It is an arithmetic number, because the mean of its divisors is an integer number (49081002).

Almost surely, 2^147243003 is an apocalyptic number.

147243003 is a deficient number, since it is larger than the sum of its proper divisors (49081005).

147243003 is an equidigital number, since it uses as much as digits as its factorization.

147243003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49081004.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 147243003 is about 12134.3727897242. The cubic root of 147243003 is about 528.0538605811.

Adding to 147243003 its reverse (300342741), we get a palindrome (447585744).

The spelling of 147243003 in words is "one hundred forty-seven million, two hundred forty-three thousand, three".