244148561 has 2 divisors, whose sum is σ = 244148562. Its totient is φ = 244148560.

The previous prime is 244148551. The next prime is 244148587. The reversal of 244148561 is 165841442.

244148561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193738561 + 50410000 = 13919^2 + 7100^2 .

It is a cyclic number.

It is not a de Polignac number, because 244148561 - 2⁶ = 244148497 is a prime.

It is a Chen prime.

It is equal to p_13376249 and since 244148561 and 13376249 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (244148501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122074280 + 122074281.

It is an arithmetic number, because the mean of its divisors is an integer number (122074281).

Almost surely, 2^244148561 is an apocalyptic number.

It is an amenable number.

244148561 is a deficient number, since it is larger than the sum of its proper divisors (1).

244148561 is an equidigital number, since it uses as much as digits as its factorization.

244148561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 35.

The square root of 244148561 is about 15625.2539499363. The cubic root of 244148561 is about 625.0067719800.

The spelling of 244148561 in words is "two hundred forty-four million, one hundred forty-eight thousand, five hundred sixty-one".