103132445 has 16 divisors (see below), whose sum is σ = 133985712. Its totient is φ = 75755520.

The previous prime is 103132427. The next prime is 103132451. The reversal of 103132445 is 544231301.

It can be written as a sum of positive squares in 8 ways, for example, as 1747684 + 101384761 = 1322^2 + 10069^2 .

It is not a de Polignac number, because 103132445 - 2²⁰ = 102083869 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 103132445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8435 + ... + 16655.

It is an arithmetic number, because the mean of its divisors is an integer number (8374107).

Almost surely, 2^103132445 is an apocalyptic number.

It is an amenable number.

103132445 is a deficient number, since it is larger than the sum of its proper divisors (30853267).

103132445 is a wasteful number, since it uses less digits than its factorization.

103132445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 103132445 is about 10155.4145656394. The cubic root of 103132445 is about 468.9556485505.

Adding to 103132445 its reverse (544231301), we get a palindrome (647363746).

The spelling of 103132445 in words is "one hundred three million, one hundred thirty-two thousand, four hundred forty-five".