1403103445 has 4 divisors (see below), whose sum is σ = 1683724140. Its totient is φ = 1122482752.

The previous prime is 1403103421. The next prime is 1403103451. The reversal of 1403103445 is 5443013041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 503643364 + 899460081 = 22442^2 + 29991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1403103445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140310340 + ... + 140310349.

It is an arithmetic number, because the mean of its divisors is an integer number (420931035).

Almost surely, 2^1403103445 is an apocalyptic number.

It is an amenable number.

1403103445 is a deficient number, since it is larger than the sum of its proper divisors (280620695).

1403103445 is an equidigital number, since it uses as much as digits as its factorization.

1403103445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280620694.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1403103445 is about 37458.0224384577. The cubic root of 1403103445 is about 1119.5149486051.

Adding to 1403103445 its reverse (5443013041), we get a palindrome (6846116486).

The spelling of 1403103445 in words is "one billion, four hundred three million, one hundred three thousand, four hundred forty-five".