102445003 has 4 divisors (see below), whose sum is σ = 102870328. Its totient is φ = 102019680.

The previous prime is 102444997. The next prime is 102445027. The reversal of 102445003 is 300544201.

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 102445003 - 2¹³ = 102436811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102445073) 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, 212301 + ... + 212782.

It is an arithmetic number, because the mean of its divisors is an integer number (25717582).

Almost surely, 2^102445003 is an apocalyptic number.

102445003 is a deficient number, since it is larger than the sum of its proper divisors (425325).

102445003 is an equidigital number, since it uses as much as digits as its factorization.

102445003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425324.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 102445003 is about 10121.5118929931. The cubic root of 102445003 is about 467.9113643109.

Adding to 102445003 its reverse (300544201), we get a palindrome (402989204).

The spelling of 102445003 in words is "one hundred two million, four hundred forty-five thousand, three".