244161451 has 2 divisors, whose sum is σ = 244161452. Its totient is φ = 244161450.

The previous prime is 244161431. The next prime is 244161461. The reversal of 244161451 is 154161442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244161451 - 2²¹ = 242064299 is a prime.

It is a super-2 number, since 2×244161451² = 119229628308850802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244161431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122080725 + 122080726.

It is an arithmetic number, because the mean of its divisors is an integer number (122080726).

Almost surely, 2^244161451 is an apocalyptic number.

244161451 is a deficient number, since it is larger than the sum of its proper divisors (1).

244161451 is an equidigital number, since it uses as much as digits as its factorization.

244161451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 244161451 is about 15625.6664177884. Note that the first 3 decimals coincide. The cubic root of 244161451 is about 625.0177710147.

Subtracting from 244161451 its reverse (154161442), we obtain a palindrome (90000009).

The spelling of 244161451 in words is "two hundred forty-four million, one hundred sixty-one thousand, four hundred fifty-one".