2145135241 has 8 divisors (see below), whose sum is σ = 2215001600. Its totient is φ = 2075310720.

The previous prime is 2145135233. The next prime is 2145135247. The reversal of 2145135241 is 1425315412.

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 2145135241 - 2³ = 2145135233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145135247) 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, 119620 + ... + 136378.

It is an arithmetic number, because the mean of its divisors is an integer number (276875200).

Almost surely, 2^2145135241 is an apocalyptic number.

It is an amenable number.

2145135241 is a deficient number, since it is larger than the sum of its proper divisors (69866359).

2145135241 is a wasteful number, since it uses less digits than its factorization.

2145135241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20919.

The product of its digits is 4800, while the sum is 28.

The square root of 2145135241 is about 46315.6047245418. The cubic root of 2145135241 is about 1289.6886937849.

The spelling of 2145135241 in words is "two billion, one hundred forty-five million, one hundred thirty-five thousand, two hundred forty-one".