144213451 has 2 divisors, whose sum is σ = 144213452. Its totient is φ = 144213450.

The previous prime is 144213367. The next prime is 144213469. The reversal of 144213451 is 154312441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144213451 - 2⁷ = 144213323 is a prime.

It is not a weakly prime, because it can be changed into another prime (144213481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72106725 + 72106726.

It is an arithmetic number, because the mean of its divisors is an integer number (72106726).

Almost surely, 2^144213451 is an apocalyptic number.

144213451 is a deficient number, since it is larger than the sum of its proper divisors (1).

144213451 is an equidigital number, since it uses as much as digits as its factorization.

144213451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 144213451 is about 12008.8904982933. The cubic root of 144213451 is about 524.4071324064.

Adding to 144213451 its reverse (154312441), we get a palindrome (298525892).

The spelling of 144213451 in words is "one hundred forty-four million, two hundred thirteen thousand, four hundred fifty-one".