2545030072157 has 2 divisors, whose sum is σ = 2545030072158. Its totient is φ = 2545030072156.

The previous prime is 2545030072127. The next prime is 2545030072171. The reversal of 2545030072157 is 7512700305452.

2545030072157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2532573056836 + 12457015321 = 1591406^2 + 111611^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545030072157 - 2²⁶ = 2544962963293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545030072127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272515036078 + 1272515036079.

It is an arithmetic number, because the mean of its divisors is an integer number (1272515036079).

Almost surely, 2^{2545030072157} is an apocalyptic number.

It is an amenable number.

2545030072157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545030072157 is an equidigital number, since it uses as much as digits as its factorization.

2545030072157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 2545030072157 in words is "two trillion, five hundred forty-five billion, thirty million, seventy-two thousand, one hundred fifty-seven".