102141541 has 4 divisors (see below), whose sum is σ = 102213292. Its totient is φ = 102069792.

The previous prime is 102141499. The next prime is 102141553. The reversal of 102141541 is 145141201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90649441 + 11492100 = 9521^2 + 3390^2 .

It is a cyclic number.

It is not a de Polignac number, because 102141541 - 2¹¹ = 102139493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102141241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33696 + ... + 36601.

It is an arithmetic number, because the mean of its divisors is an integer number (25553323).

Almost surely, 2^102141541 is an apocalyptic number.

It is an amenable number.

102141541 is a deficient number, since it is larger than the sum of its proper divisors (71751).

102141541 is an equidigital number, since it uses as much as digits as its factorization.

102141541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71750.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 102141541 is about 10106.5098327761. The cubic root of 102141541 is about 467.4488925801.

Adding to 102141541 its reverse (145141201), we get a palindrome (247282742).

The spelling of 102141541 in words is "one hundred two million, one hundred forty-one thousand, five hundred forty-one".