102240463 has 16 divisors (see below), whose sum is σ = 118379520. Its totient is φ = 87496416.

The previous prime is 102240433. The next prime is 102240469. The reversal of 102240463 is 364042201.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102240463 is a prime.

It is a super-2 number, since 2×102240463² = 20906224548908738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102240469) 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 15 ways as a sum of consecutive naturals, for example, 7206 + ... + 16012.

It is an arithmetic number, because the mean of its divisors is an integer number (7398720).

Almost surely, 2^102240463 is an apocalyptic number.

102240463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102240463 is a deficient number, since it is larger than the sum of its proper divisors (16139057).

102240463 is a wasteful number, since it uses less digits than its factorization.

102240463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 102240463 is about 10111.4026227819. The cubic root of 102240463 is about 467.5997487975.

Adding to 102240463 its reverse (364042201), we get a palindrome (466282664).

The spelling of 102240463 in words is "one hundred two million, two hundred forty thousand, four hundred sixty-three".