103203745 has 8 divisors (see below), whose sum is σ = 124070184. Its totient is φ = 82412544.

The previous prime is 103203689. The next prime is 103203757. The reversal of 103203745 is 547302301.

It can be written as a sum of positive squares in 4 ways, for example, as 11943936 + 91259809 = 3456^2 + 9553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103203745 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15744 + ... + 21313.

It is an arithmetic number, because the mean of its divisors is an integer number (15508773).

Almost surely, 2^103203745 is an apocalyptic number.

It is an amenable number.

103203745 is a deficient number, since it is larger than the sum of its proper divisors (20866439).

103203745 is an equidigital number, since it uses as much as digits as its factorization.

103203745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37619.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 103203745 is about 10158.9244017268. The cubic root of 103203745 is about 469.0636935513.

The spelling of 103203745 in words is "one hundred three million, two hundred three thousand, seven hundred forty-five".