103444537 has 12 divisors (see below), whose sum is σ = 124484580. Its totient is φ = 85608096.

The previous prime is 103444519. The next prime is 103444589. The reversal of 103444537 is 735444301.

It can be written as a sum of positive squares in 2 ways, for example, as 58003456 + 45441081 = 7616^2 + 6741^2 .

It is a de Polignac number, because none of the positive numbers 2^k-103444537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103444499 and 103444508.

It is not an unprimeable number, because it can be changed into a prime (103444937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34978 + ... + 37819.

It is an arithmetic number, because the mean of its divisors is an integer number (10373715).

Almost surely, 2^103444537 is an apocalyptic number.

It is an amenable number.

103444537 is a deficient number, since it is larger than the sum of its proper divisors (21040043).

103444537 is an equidigital number, since it uses as much as digits as its factorization.

103444537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72840 (or 72833 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 103444537 is about 10170.7687516726. The cubic root of 103444537 is about 469.4282121619.

Adding to 103444537 its reverse (735444301), we get a palindrome (838888838).

The spelling of 103444537 in words is "one hundred three million, four hundred forty-four thousand, five hundred thirty-seven".