102355443 has 12 divisors (see below), whose sum is σ = 148495360. Its totient is φ = 67937616.

The previous prime is 102355433. The next prime is 102355447. The reversal of 102355443 is 344553201.

102355443 is a `hidden beast` number, since 102 + 3 + 554 + 4 + 3 = 666.

It is not a de Polignac number, because 102355443 - 2¹⁰ = 102354419 is a prime.

It is a super-3 number, since 3×102355443³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102355447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22771 + ... + 26892.

Almost surely, 2^102355443 is an apocalyptic number.

102355443 is a deficient number, since it is larger than the sum of its proper divisors (46139917).

102355443 is a wasteful number, since it uses less digits than its factorization.

102355443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49898 (or 49895 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 102355443 is about 10117.0866854050. The cubic root of 102355443 is about 467.7749712600.

The spelling of 102355443 in words is "one hundred two million, three hundred fifty-five thousand, four hundred forty-three".