2145238341 has 8 divisors (see below), whose sum is σ = 2860532640. Its totient is φ = 1430051472.

The previous prime is 2145238307. The next prime is 2145238349. The reversal of 2145238341 is 1438325412.

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

It is not a de Polignac number, because 2145238341 - 2¹¹ = 2145236293 is a prime.

It is a super-3 number, since 3×2145238341³ (a number of 29 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145238349) 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, 58450 + ... + 87788.

It is an arithmetic number, because the mean of its divisors is an integer number (357566580).

Almost surely, 2^2145238341 is an apocalyptic number.

It is an amenable number.

2145238341 is a deficient number, since it is larger than the sum of its proper divisors (715294299).

2145238341 is a wasteful number, since it uses less digits than its factorization.

2145238341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53715.

The product of its digits is 23040, while the sum is 33.

The square root of 2145238341 is about 46316.7177269720. The cubic root of 2145238341 is about 1289.7093552288.

The spelling of 2145238341 in words is "two billion, one hundred forty-five million, two hundred thirty-eight thousand, three hundred forty-one".