102156463 has 2 divisors, whose sum is σ = 102156464. Its totient is φ = 102156462.

The previous prime is 102156449. The next prime is 102156479. The reversal of 102156463 is 364651201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102156463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102156403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51078231 + 51078232.

It is an arithmetic number, because the mean of its divisors is an integer number (51078232).

Almost surely, 2^102156463 is an apocalyptic number.

102156463 is a deficient number, since it is larger than the sum of its proper divisors (1).

102156463 is an equidigital number, since it uses as much as digits as its factorization.

102156463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 102156463 is about 10107.2480428651. The cubic root of 102156463 is about 467.4716548916.

The spelling of 102156463 in words is "one hundred two million, one hundred fifty-six thousand, four hundred sixty-three".