2142754354225 has 27 divisors (see below), whose sum is σ = 2715186349857. Its totient is φ = 1677461726880.

The previous prime is 2142754354201. The next prime is 2142754354261. The reversal of 2142754354225 is 5224534572412.

The square root of 2142754354225 is 1463815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 39581500401 + 2103172853824 = 198951^2 + 1450232^2 .

It is not a de Polignac number, because 2142754354225 - 2⁹ = 2142754353713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 343993411 + ... + 343999639.

Almost surely, 2^{2142754354225} is an apocalyptic number.

2142754354225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2142754354225 is the 1463815-th square number.

2142754354225 is the 731908-th centered octagonal number.

It is an amenable number.

2142754354225 is a deficient number, since it is larger than the sum of its proper divisors (572431995632).

2142754354225 is an frugal number, since it uses more digits than its factorization.

2142754354225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562 (or 6281 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 46.

The spelling of 2142754354225 in words is "two trillion, one hundred forty-two billion, seven hundred fifty-four million, three hundred fifty-four thousand, two hundred twenty-five".