2145141451 has 8 divisors (see below), whose sum is σ = 2199033360. Its totient is φ = 2091746592.

The previous prime is 2145141419. The next prime is 2145141491. The reversal of 2145141451 is 1541415412.

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 2145141451 - 2⁵ = 2145141419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145141491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115516 + ... + 132793.

It is an arithmetic number, because the mean of its divisors is an integer number (274879170).

Almost surely, 2^2145141451 is an apocalyptic number.

2145141451 is a deficient number, since it is larger than the sum of its proper divisors (53891909).

2145141451 is a wasteful number, since it uses less digits than its factorization.

2145141451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248525.

The product of its digits is 3200, while the sum is 28.

The square root of 2145141451 is about 46315.6717645334. The cubic root of 2145141451 is about 1289.6899382999.

Adding to 2145141451 its reverse (1541415412), we get a palindrome (3686556863).

The spelling of 2145141451 in words is "two billion, one hundred forty-five million, one hundred forty-one thousand, four hundred fifty-one".