2141254145 has 8 divisors (see below), whose sum is σ = 2595995304. Its totient is φ = 1695343104.

The previous prime is 2141254123. The next prime is 2141254217. The reversal of 2141254145 is 5414521412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 365727376 + 1775526769 = 19124^2 + 42137^2 .

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 2141254145 - 2²⁰ = 2140205569 is a prime.

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

It is a Duffinian 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, 2206994 + ... + 2207963.

It is an arithmetic number, because the mean of its divisors is an integer number (324499413).

Almost surely, 2^2141254145 is an apocalyptic number.

It is an amenable number.

2141254145 is a deficient number, since it is larger than the sum of its proper divisors (454741159).

2141254145 is an equidigital number, since it uses as much as digits as its factorization.

2141254145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415059.

The product of its digits is 6400, while the sum is 29.

The square root of 2141254145 is about 46273.6873935933. The cubic root of 2141254145 is about 1288.9104324649.

Adding to 2141254145 its reverse (5414521412), we get a palindrome (7555775557).

It can be divided in two parts, 21412 and 54145, that added together give a palindrome (75557).

The spelling of 2141254145 in words is "two billion, one hundred forty-one million, two hundred fifty-four thousand, one hundred forty-five".