245154105061 has 2 divisors, whose sum is σ = 245154105062. Its totient is φ = 245154105060.

The previous prime is 245154105043. The next prime is 245154105071. The reversal of 245154105061 is 160501451542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191922848100 + 53231256961 = 438090^2 + 230719^2 .

It is a cyclic number.

It is not a de Polignac number, because 245154105061 - 2⁹ = 245154104549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245154105011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122577052530 + 122577052531.

It is an arithmetic number, because the mean of its divisors is an integer number (122577052531).

Almost surely, 2^245154105061 is an apocalyptic number.

It is an amenable number.

245154105061 is a deficient number, since it is larger than the sum of its proper divisors (1).

245154105061 is an equidigital number, since it uses as much as digits as its factorization.

245154105061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 245154105061 in words is "two hundred forty-five billion, one hundred fifty-four million, one hundred five thousand, sixty-one".