64450103 has 4 divisors (see below), whose sum is σ = 64483128. Its totient is φ = 64417080.

The previous prime is 64450097. The next prime is 64450157. The reversal of 64450103 is 30105446.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64450103 - 2⁶ = 64450039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64450303) 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, 13388 + ... + 17553.

It is an arithmetic number, because the mean of its divisors is an integer number (16120782).

Almost surely, 2^64450103 is an apocalyptic number.

64450103 is a deficient number, since it is larger than the sum of its proper divisors (33025).

64450103 is a wasteful number, since it uses less digits than its factorization.

64450103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33024.

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

The square root of 64450103 is about 8028.0821495548. The cubic root of 64450103 is about 400.9355248606.

Adding to 64450103 its reverse (30105446), we get a palindrome (94555549).

The spelling of 64450103 in words is "sixty-four million, four hundred fifty thousand, one hundred three".