102275543 has 4 divisors (see below), whose sum is σ = 104654088. Its totient is φ = 99897000.

The previous prime is 102275521. The next prime is 102275561. The reversal of 102275543 is 345572201.

It is a happy number.

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 102275543 - 2²⁰ = 101226967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102272543) 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, 1189208 + ... + 1189293.

It is an arithmetic number, because the mean of its divisors is an integer number (26163522).

Almost surely, 2^102275543 is an apocalyptic number.

102275543 is a deficient number, since it is larger than the sum of its proper divisors (2378545).

102275543 is an equidigital number, since it uses as much as digits as its factorization.

102275543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378544.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 102275543 is about 10113.1371492727. The cubic root of 102275543 is about 467.6532224843.

The spelling of 102275543 in words is "one hundred two million, two hundred seventy-five thousand, five hundred forty-three".