102445153 has 4 divisors (see below), whose sum is σ = 102826260. Its totient is φ = 102064048.

The previous prime is 102445129. The next prime is 102445163. The reversal of 102445153 is 351544201.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10131489 + 92313664 = 3183^2 + 9608^2 .

It is a cyclic number.

It is not a de Polignac number, because 102445153 - 2⁵ = 102445121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102445103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190150 + ... + 190687.

It is an arithmetic number, because the mean of its divisors is an integer number (25706565).

Almost surely, 2^102445153 is an apocalyptic number.

It is an amenable number.

102445153 is a deficient number, since it is larger than the sum of its proper divisors (381107).

102445153 is an equidigital number, since it uses as much as digits as its factorization.

102445153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381106.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 102445153 is about 10121.5193029505. The cubic root of 102445153 is about 467.9115926827.

Adding to 102445153 its reverse (351544201), we get a palindrome (453989354).

The spelling of 102445153 in words is "one hundred two million, four hundred forty-five thousand, one hundred fifty-three".