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45645234157 is a prime number
BaseRepresentation
bin101010100000101010…
…101111111111101101
311100211002120010221001
4222200222233333231
51221440134443112
632545155440301
73204063042265
oct524052577755
9140732503831
1045645234157
11183a35aa016
128a1a5b6091
1343c57b6ac3
1422d022c7a5
1512c23e3c57
hexaa0aaffed

45645234157 has 2 divisors, whose sum is σ = 45645234158. Its totient is φ = 45645234156.

The previous prime is 45645234133. The next prime is 45645234161. The reversal of 45645234157 is 75143254654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24380011881 + 21265222276 = 156141^2 + 145826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45645234157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45645235157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22822617078 + 22822617079.

It is an arithmetic number, because the mean of its divisors is an integer number (22822617079).

Almost surely, 245645234157 is an apocalyptic number.

It is an amenable number.

45645234157 is a deficient number, since it is larger than the sum of its proper divisors (1).

45645234157 is an equidigital number, since it uses as much as digits as its factorization.

45645234157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016000, while the sum is 46.

The spelling of 45645234157 in words is "forty-five billion, six hundred forty-five million, two hundred thirty-four thousand, one hundred fifty-seven".