103443745 has 8 divisors (see below), whose sum is σ = 128136960. Its totient is φ = 80085360.

The previous prime is 103443737. The next prime is 103443761. The reversal of 103443745 is 547344301.

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

It is not a de Polignac number, because 103443745 - 2³ = 103443737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 333535 + ... + 333844.

It is an arithmetic number, because the mean of its divisors is an integer number (16017120).

Almost surely, 2^103443745 is an apocalyptic number.

It is an amenable number.

103443745 is a deficient number, since it is larger than the sum of its proper divisors (24693215).

103443745 is an equidigital number, since it uses as much as digits as its factorization.

103443745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667415.

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

The square root of 103443745 is about 10170.7298164881. The cubic root of 103443745 is about 469.4270141347.

The spelling of 103443745 in words is "one hundred three million, four hundred forty-three thousand, seven hundred forty-five".