102815441 has 8 divisors (see below), whose sum is σ = 109344480. Its totient is φ = 96398208.

The previous prime is 102815431. The next prime is 102815459. The reversal of 102815441 is 144518201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102815441 - 2¹⁰ = 102814417 is a prime.

It is a super-3 number, since 3×102815441³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102815441.

It is not an unprimeable number, because it can be changed into a prime (102815431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26051 + ... + 29736.

It is an arithmetic number, because the mean of its divisors is an integer number (13668060).

Almost surely, 2^102815441 is an apocalyptic number.

It is an amenable number.

102815441 is a deficient number, since it is larger than the sum of its proper divisors (6529039).

102815441 is an equidigital number, since it uses as much as digits as its factorization.

102815441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55903.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 102815441 is about 10139.7949190307. The cubic root of 102815441 is about 468.4746702875.

The spelling of 102815441 in words is "one hundred two million, eight hundred fifteen thousand, four hundred forty-one".