102355441 has 4 divisors (see below), whose sum is σ = 102438000. Its totient is φ = 102272884.

The previous prime is 102355433. The next prime is 102355447. The reversal of 102355441 is 144553201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144553201 = 13 ⋅11119477.

It is a cyclic number.

It is not a de Polignac number, because 102355441 - 2³ = 102355433 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 39391 + ... + 41908.

It is an arithmetic number, because the mean of its divisors is an integer number (25609500).

Almost surely, 2^102355441 is an apocalyptic number.

It is an amenable number.

102355441 is a deficient number, since it is larger than the sum of its proper divisors (82559).

102355441 is an equidigital number, since it uses as much as digits as its factorization.

102355441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82558.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 102355441 is about 10117.0865865624. The cubic root of 102355441 is about 467.7749682132.

The spelling of 102355441 in words is "one hundred two million, three hundred fifty-five thousand, four hundred forty-one".