102245453 has 2 divisors, whose sum is σ = 102245454. Its totient is φ = 102245452.

The previous prime is 102245449. The next prime is 102245461. The reversal of 102245453 is 354542201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100360324 + 1885129 = 10018^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 102245453 - 2² = 102245449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102245153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51122726 + 51122727.

It is an arithmetic number, because the mean of its divisors is an integer number (51122727).

Almost surely, 2^102245453 is an apocalyptic number.

It is an amenable number.

102245453 is a deficient number, since it is larger than the sum of its proper divisors (1).

102245453 is an equidigital number, since it uses as much as digits as its factorization.

102245453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 102245453 is about 10111.6493708989. The cubic root of 102245453 is about 467.6073559774.

Adding to 102245453 its reverse (354542201), we get a palindrome (456787654).

The spelling of 102245453 in words is "one hundred two million, two hundred forty-five thousand, four hundred fifty-three".