102452443 has 4 divisors (see below), whose sum is σ = 103131088. Its totient is φ = 101773800.

The previous prime is 102452429. The next prime is 102452459. The reversal of 102452443 is 344254201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344254201 = 127 ⋅2710663.

It is a cyclic number.

It is not a de Polignac number, because 102452443 - 2¹⁷ = 102321371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102452423) 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, 339096 + ... + 339397.

It is an arithmetic number, because the mean of its divisors is an integer number (25782772).

Almost surely, 2^102452443 is an apocalyptic number.

102452443 is a deficient number, since it is larger than the sum of its proper divisors (678645).

102452443 is an equidigital number, since it uses as much as digits as its factorization.

102452443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678644.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 102452443 is about 10121.8794203448. The cubic root of 102452443 is about 467.9226912869.

The spelling of 102452443 in words is "one hundred two million, four hundred fifty-two thousand, four hundred forty-three".