103445889 has 4 divisors (see below), whose sum is σ = 137927856. Its totient is φ = 68963924.

The previous prime is 103445873. The next prime is 103445921. The reversal of 103445889 is 988544301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103445889 - 2⁴ = 103445873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103445889.

It is not an unprimeable number, because it can be changed into a prime (103445819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17240979 + ... + 17240984.

It is an arithmetic number, because the mean of its divisors is an integer number (34481964).

Almost surely, 2^103445889 is an apocalyptic number.

It is an amenable number.

103445889 is a deficient number, since it is larger than the sum of its proper divisors (34481967).

103445889 is an equidigital number, since it uses as much as digits as its factorization.

103445889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34481966.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 103445889 is about 10170.8352164412. The cubic root of 103445889 is about 469.4302572648.

The spelling of 103445889 in words is "one hundred three million, four hundred forty-five thousand, eight hundred eighty-nine".