2145054541 has 8 divisors (see below), whose sum is σ = 2452420800. Its totient is φ = 1837920768.

The previous prime is 2145054503. The next prime is 2145054551. The reversal of 2145054541 is 1454505412.

It is a happy number.

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 2145054541 - 2⁹ = 2145054029 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145054551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37876 + ... + 75661.

It is an arithmetic number, because the mean of its divisors is an integer number (306552600).

Almost surely, 2^2145054541 is an apocalyptic number.

It is an amenable number.

2145054541 is a deficient number, since it is larger than the sum of its proper divisors (307366259).

2145054541 is a wasteful number, since it uses less digits than its factorization.

2145054541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116243.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 2145054541 is about 46314.7335196911. The cubic root of 2145054541 is about 1289.6725208834.

Adding to 2145054541 its reverse (1454505412), we get a palindrome (3599559953).

The spelling of 2145054541 in words is "two billion, one hundred forty-five million, fifty-four thousand, five hundred forty-one".