141321603 has 4 divisors (see below), whose sum is σ = 188428808. Its totient is φ = 94214400.

The previous prime is 141321589. The next prime is 141321613. The reversal of 141321603 is 306123141.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 141321603 - 2⁶ = 141321539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141321603.

It is not an unprimeable number, because it can be changed into a prime (141321613) 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, 23553598 + ... + 23553603.

It is an arithmetic number, because the mean of its divisors is an integer number (47107202).

Almost surely, 2^141321603 is an apocalyptic number.

141321603 is a deficient number, since it is larger than the sum of its proper divisors (47107205).

141321603 is an equidigital number, since it uses as much as digits as its factorization.

141321603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47107204.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 141321603 is about 11887.8763031923. The cubic root of 141321603 is about 520.8782041228.

Adding to 141321603 its reverse (306123141), we get a palindrome (447444744).

The spelling of 141321603 in words is "one hundred forty-one million, three hundred twenty-one thousand, six hundred three".