144453431 has 2 divisors, whose sum is σ = 144453432. Its totient is φ = 144453430.

The previous prime is 144453391. The next prime is 144453451. The reversal of 144453431 is 134354441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144453431 - 2⁶ = 144453367 is a prime.

It is a super-2 number, since 2×144453431² = 41733587455343522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144453394 and 144453403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144453451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72226715 + 72226716.

It is an arithmetic number, because the mean of its divisors is an integer number (72226716).

Almost surely, 2^144453431 is an apocalyptic number.

144453431 is a deficient number, since it is larger than the sum of its proper divisors (1).

144453431 is an equidigital number, since it uses as much as digits as its factorization.

144453431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 29.

The square root of 144453431 is about 12018.8781090416. The cubic root of 144453431 is about 524.6978530509.

The spelling of 144453431 in words is "one hundred forty-four million, four hundred fifty-three thousand, four hundred thirty-one".