2141354445 has 8 divisors (see below), whose sum is σ = 3426167136. Its totient is φ = 1142055696.

The previous prime is 2141354417. The next prime is 2141354471. The reversal of 2141354445 is 5444531412.

It is a happy number.

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

It is not a de Polignac number, because 2141354445 - 2⁶ = 2141354381 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71378467 + ... + 71378496.

It is an arithmetic number, because the mean of its divisors is an integer number (428270892).

Almost surely, 2^2141354445 is an apocalyptic number.

It is an amenable number.

2141354445 is a deficient number, since it is larger than the sum of its proper divisors (1284812691).

2141354445 is a wasteful number, since it uses less digits than its factorization.

2141354445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142756971.

The product of its digits is 38400, while the sum is 33.

The square root of 2141354445 is about 46274.7711501635. The cubic root of 2141354445 is about 1288.9305570724.

Adding to 2141354445 its reverse (5444531412), we get a palindrome (7585885857).

The spelling of 2141354445 in words is "two billion, one hundred forty-one million, three hundred fifty-four thousand, four hundred forty-five".