2545234153641 has 9 divisors (see below), whose sum is σ = 3676456246359. Its totient is φ = 1696819578336.

The previous prime is 2545234153639. The next prime is 2545234153669. The reversal of 2545234153641 is 1463514325452.

The square root of 2545234153641 is 1595379.

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

2545234153641 is a `hidden beast` number, since 2 + 5 + 45 + 2 + 34 + 1 + 536 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5979155625 + 2539254998016 = 77325^2 + 1593504^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2545234153641 - 2¹ = 2545234153639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545234153141) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4520241 + ... + 5052033.

Almost surely, 2^{2545234153641} is an apocalyptic number.

2545234153641 is the 1595379-th square number.

2545234153641 is the 797690-th centered octagonal number.

It is an amenable number.

2545234153641 is a deficient number, since it is larger than the sum of its proper divisors (1131222092718).

2545234153641 is an frugal number, since it uses more digits than its factorization.

2545234153641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063592 (or 531796 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 2545234153641 in words is "two trillion, five hundred forty-five billion, two hundred thirty-four million, one hundred fifty-three thousand, six hundred forty-one".