102257207145263 has 4 divisors (see below), whose sum is σ = 102259480431408. Its totient is φ = 102254933859120.

The previous prime is 102257207145253. The next prime is 102257207145281. The reversal of 102257207145263 is 362541702752201.

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 102257207145263 - 2¹⁸ = 102257206883119 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 (102257207145253) 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, 1136575598 + ... + 1136665563.

It is an arithmetic number, because the mean of its divisors is an integer number (25564870107852).

Almost surely, 2^{102257207145263} is an apocalyptic number.

102257207145263 is a deficient number, since it is larger than the sum of its proper divisors (2273286145).

102257207145263 is an equidigital number, since it uses as much as digits as its factorization.

102257207145263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273286144.

The product of its (nonzero) digits is 1411200, while the sum is 47.

Adding to 102257207145263 its reverse (362541702752201), we get a palindrome (464798909897464).

The spelling of 102257207145263 in words is "one hundred two trillion, two hundred fifty-seven billion, two hundred seven million, one hundred forty-five thousand, two hundred sixty-three".