2141045381 has 8 divisors (see below), whose sum is σ = 2255786400. Its totient is φ = 2026509840.

The previous prime is 2141045363. The next prime is 2141045383. The reversal of 2141045381 is 1835401412.

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 2141045381 - 2⁶ = 2141045317 is a prime.

It is a super-2 number, since 2×2141045381² = 9168150647002870322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141045383) 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, 29735 + ... + 71876.

It is an arithmetic number, because the mean of its divisors is an integer number (281973300).

Almost surely, 2^2141045381 is an apocalyptic number.

It is an amenable number.

2141045381 is a deficient number, since it is larger than the sum of its proper divisors (114741019).

2141045381 is a wasteful number, since it uses less digits than its factorization.

2141045381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102739.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2141045381 is about 46271.4315858068. The cubic root of 2141045381 is about 1288.8685431756.

Adding to 2141045381 its reverse (1835401412), we get a palindrome (3976446793).

The spelling of 2141045381 in words is "two billion, one hundred forty-one million, forty-five thousand, three hundred eighty-one".